210521520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1448

約数の個数: 240

約数和(自身を含む): 812448000

約数和(自身を除く): 601926480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1399, 1520, 1584, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 2798, 3135, 3344, 3420, 3762, 3960, 4180, 4197, 4560, 5016, 5596, 6270, 6840, 6995, 7524, 7920, 8360, 8394, 9405, 10032, 11192, 12540, 12591, 13680, 13990, 15048, 15389, 16720, 16788, 18810, 20985, 22384, 25080, 25182, 26581, 27980, 30096, 30778, 33576, 37620, 41970, 46167, 50160, 50364, 53162, 55960, 61556, 62955, 67152, 75240, 76945, 79743, 83940, 92334, 100728, 106324, 111920, 123112, 125910, 132905, 138501, 150480, 153890, 159486, 167880, 184668, 201456, 212648, 230835, 239229, 246224, 251820, 265810, 277002, 292391, 307780, 318972, 335760, 369336, 398715, 425296, 461670, 478458, 503640, 531620, 554004, 584782, 615560, 637944, 692505, 738672, 797430, 877173, 923340, 956916, 1007280, 1063240, 1108008, 1169564, 1196145, 1231120, 1275888, 1385010, 1461955, 1594860, 1754346, 1846680, 1913832, 2126480, 2216016, 2339128, 2392290, 2631519, 2770020, 2923910, 3189720, 3508692, 3693360, 3827664, 4385865, 4678256, 4784580, 5263038, 5540040, 5847820, 6379440, 7017384, 8771730, 9569160, 10526076, 11080080, 11695640, 13157595, 14034768, 17543460, 19138320, 21052152, 23391280, 26315190, 35086920, 42104304, 52630380, 70173840, 105260760, 210521520]

約数ペア:

[(1, 210521520), (2, 105260760), (3, 70173840), (4, 52630380), (5, 42104304), (6, 35086920), (8, 26315190), (9, 23391280), (10, 21052152), (11, 19138320), (12, 17543460), (15, 14034768), (16, 13157595), (18, 11695640), (19, 11080080), (20, 10526076), (22, 9569160), (24, 8771730), (30, 7017384), (33, 6379440), (36, 5847820), (38, 5540040), (40, 5263038), (44, 4784580), (45, 4678256), (48, 4385865), (55, 3827664), (57, 3693360), (60, 3508692), (66, 3189720), (72, 2923910), (76, 2770020), (80, 2631519), (88, 2392290), (90, 2339128), (95, 2216016), (99, 2126480), (110, 1913832), (114, 1846680), (120, 1754346), (132, 1594860), (144, 1461955), (152, 1385010), (165, 1275888), (171, 1231120), (176, 1196145), (180, 1169564), (190, 1108008), (198, 1063240), (209, 1007280), (220, 956916), (228, 923340), (240, 877173), (264, 797430), (285, 738672), (304, 692505), (330, 637944), (342, 615560), (360, 584782), (380, 554004), (396, 531620), (418, 503640), (440, 478458), (456, 461670), (495, 425296), (528, 398715), (570, 369336), (627, 335760), (660, 318972), (684, 307780), (720, 292391), (760, 277002), (792, 265810), (836, 251820), (855, 246224), (880, 239229), (912, 230835), (990, 212648), (1045, 201456), (1140, 184668), (1254, 167880), (1320, 159486), (1368, 153890), (1399, 150480), (1520, 138501), (1584, 132905), (1672, 125910), (1710, 123112), (1881, 111920), (1980, 106324), (2090, 100728), (2280, 92334), (2508, 83940), (2640, 79743), (2736, 76945), (2798, 75240), (3135, 67152), (3344, 62955), (3420, 61556), (3762, 55960), (3960, 53162), (4180, 50364), (4197, 50160), (4560, 46167), (5016, 41970), (5596, 37620), (6270, 33576), (6840, 30778), (6995, 30096), (7524, 27980), (7920, 26581), (8360, 25182), (8394, 25080), (9405, 22384), (10032, 20985), (11192, 18810), (12540, 16788), (12591, 16720), (13680, 15389), (13990, 15048)]