421375920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 320

約数和(自身を含む): 1613230080

約数和(自身を除く): 1191854160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 43, 48, 56, 57, 60, 70, 76, 80, 84, 86, 95, 105, 112, 114, 120, 129, 133, 140, 152, 168, 172, 190, 210, 215, 228, 240, 258, 266, 280, 285, 301, 304, 307, 336, 344, 380, 399, 420, 430, 456, 516, 532, 560, 570, 602, 614, 645, 665, 688, 760, 798, 817, 840, 860, 903, 912, 921, 1032, 1064, 1140, 1204, 1228, 1290, 1330, 1505, 1520, 1535, 1596, 1634, 1680, 1720, 1806, 1842, 1995, 2064, 2128, 2149, 2280, 2408, 2451, 2456, 2580, 2660, 3010, 3070, 3192, 3268, 3440, 3612, 3684, 3990, 4085, 4298, 4515, 4560, 4605, 4816, 4902, 4912, 5160, 5320, 5719, 5833, 6020, 6140, 6384, 6447, 6536, 7224, 7368, 7980, 8170, 8596, 9030, 9210, 9804, 10320, 10640, 10745, 11438, 11666, 12040, 12255, 12280, 12894, 13072, 13201, 14448, 14736, 15960, 16340, 17157, 17192, 17499, 18060, 18420, 19608, 21490, 22876, 23332, 24080, 24510, 24560, 25788, 26402, 28595, 29165, 31920, 32235, 32680, 34314, 34384, 34998, 36120, 36840, 39216, 39603, 40831, 42980, 45752, 46664, 49020, 51576, 52804, 57190, 58330, 64470, 65360, 66005, 68628, 69996, 72240, 73680, 79206, 81662, 85785, 85960, 87495, 91504, 92407, 93328, 98040, 103152, 105608, 114380, 116660, 122493, 128940, 132010, 137256, 139992, 158412, 163324, 171570, 171920, 174990, 184814, 196080, 198015, 204155, 211216, 228760, 233320, 244986, 250819, 257880, 264020, 274512, 277221, 279984, 316824, 326648, 343140, 349980, 369628, 396030, 408310, 457520, 462035, 466640, 489972, 501638, 515760, 528040, 554442, 612465, 633648, 653296, 686280, 699960, 739256, 752457, 792060, 816620, 924070, 979944, 1003276, 1056080, 1108884, 1224930, 1254095, 1372560, 1386105, 1399920, 1478512, 1504914, 1584120, 1633240, 1755733, 1848140, 1959888, 2006552, 2217768, 2449860, 2508190, 2772210, 3009828, 3168240, 3266480, 3511466, 3696280, 3762285, 4013104, 4435536, 4899720, 5016380, 5267199, 5544420, 6019656, 7022932, 7392560, 7524570, 8778665, 9799440, 10032760, 10534398, 11088840, 12039312, 14045864, 15049140, 17557330, 20065520, 21068796, 22177680, 26335995, 28091728, 30098280, 35114660, 42137592, 52671990, 60196560, 70229320, 84275184, 105343980, 140458640, 210687960, 421375920]

約数ペア:

[(1, 421375920), (2, 210687960), (3, 140458640), (4, 105343980), (5, 84275184), (6, 70229320), (7, 60196560), (8, 52671990), (10, 42137592), (12, 35114660), (14, 30098280), (15, 28091728), (16, 26335995), (19, 22177680), (20, 21068796), (21, 20065520), (24, 17557330), (28, 15049140), (30, 14045864), (35, 12039312), (38, 11088840), (40, 10534398), (42, 10032760), (43, 9799440), (48, 8778665), (56, 7524570), (57, 7392560), (60, 7022932), (70, 6019656), (76, 5544420), (80, 5267199), (84, 5016380), (86, 4899720), (95, 4435536), (105, 4013104), (112, 3762285), (114, 3696280), (120, 3511466), (129, 3266480), (133, 3168240), (140, 3009828), (152, 2772210), (168, 2508190), (172, 2449860), (190, 2217768), (210, 2006552), (215, 1959888), (228, 1848140), (240, 1755733), (258, 1633240), (266, 1584120), (280, 1504914), (285, 1478512), (301, 1399920), (304, 1386105), (307, 1372560), (336, 1254095), (344, 1224930), (380, 1108884), (399, 1056080), (420, 1003276), (430, 979944), (456, 924070), (516, 816620), (532, 792060), (560, 752457), (570, 739256), (602, 699960), (614, 686280), (645, 653296), (665, 633648), (688, 612465), (760, 554442), (798, 528040), (817, 515760), (840, 501638), (860, 489972), (903, 466640), (912, 462035), (921, 457520), (1032, 408310), (1064, 396030), (1140, 369628), (1204, 349980), (1228, 343140), (1290, 326648), (1330, 316824), (1505, 279984), (1520, 277221), (1535, 274512), (1596, 264020), (1634, 257880), (1680, 250819), (1720, 244986), (1806, 233320), (1842, 228760), (1995, 211216), (2064, 204155), (2128, 198015), (2149, 196080), (2280, 184814), (2408, 174990), (2451, 171920), (2456, 171570), (2580, 163324), (2660, 158412), (3010, 139992), (3070, 137256), (3192, 132010), (3268, 128940), (3440, 122493), (3612, 116660), (3684, 114380), (3990, 105608), (4085, 103152), (4298, 98040), (4515, 93328), (4560, 92407), (4605, 91504), (4816, 87495), (4902, 85960), (4912, 85785), (5160, 81662), (5320, 79206), (5719, 73680), (5833, 72240), (6020, 69996), (6140, 68628), (6384, 66005), (6447, 65360), (6536, 64470), (7224, 58330), (7368, 57190), (7980, 52804), (8170, 51576), (8596, 49020), (9030, 46664), (9210, 45752), (9804, 42980), (10320, 40831), (10640, 39603), (10745, 39216), (11438, 36840), (11666, 36120), (12040, 34998), (12255, 34384), (12280, 34314), (12894, 32680), (13072, 32235), (13201, 31920), (14448, 29165), (14736, 28595), (15960, 26402), (16340, 25788), (17157, 24560), (17192, 24510), (17499, 24080), (18060, 23332), (18420, 22876), (19608, 21490)]