215944880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 572909760

約数和(自身を除く): 356964880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 61, 68, 76, 80, 85, 95, 122, 136, 137, 152, 170, 190, 244, 272, 274, 304, 305, 323, 340, 380, 488, 548, 610, 646, 680, 685, 760, 976, 1037, 1096, 1159, 1220, 1292, 1360, 1370, 1520, 1615, 2074, 2192, 2318, 2329, 2440, 2584, 2603, 2740, 3230, 4148, 4636, 4658, 4880, 5168, 5185, 5206, 5480, 5795, 6460, 8296, 8357, 9272, 9316, 10370, 10412, 10960, 11590, 11645, 12920, 13015, 16592, 16714, 18544, 18632, 19703, 20740, 20824, 23180, 23290, 25840, 26030, 33428, 37264, 39406, 41480, 41648, 41785, 44251, 46360, 46580, 52060, 66856, 78812, 82960, 83570, 88502, 92720, 93160, 98515, 104120, 133712, 142069, 157624, 158783, 167140, 177004, 186320, 197030, 208240, 221255, 284138, 315248, 317566, 334280, 354008, 394060, 442510, 568276, 635132, 668560, 708016, 710345, 788120, 793915, 885020, 1136552, 1270264, 1420690, 1576240, 1587830, 1770040, 2273104, 2540528, 2699311, 2841380, 3175660, 3540080, 5398622, 5682760, 6351320, 10797244, 11365520, 12702640, 13496555, 21594488, 26993110, 43188976, 53986220, 107972440, 215944880]

約数ペア:

[(1, 215944880), (2, 107972440), (4, 53986220), (5, 43188976), (8, 26993110), (10, 21594488), (16, 13496555), (17, 12702640), (19, 11365520), (20, 10797244), (34, 6351320), (38, 5682760), (40, 5398622), (61, 3540080), (68, 3175660), (76, 2841380), (80, 2699311), (85, 2540528), (95, 2273104), (122, 1770040), (136, 1587830), (137, 1576240), (152, 1420690), (170, 1270264), (190, 1136552), (244, 885020), (272, 793915), (274, 788120), (304, 710345), (305, 708016), (323, 668560), (340, 635132), (380, 568276), (488, 442510), (548, 394060), (610, 354008), (646, 334280), (680, 317566), (685, 315248), (760, 284138), (976, 221255), (1037, 208240), (1096, 197030), (1159, 186320), (1220, 177004), (1292, 167140), (1360, 158783), (1370, 157624), (1520, 142069), (1615, 133712), (2074, 104120), (2192, 98515), (2318, 93160), (2329, 92720), (2440, 88502), (2584, 83570), (2603, 82960), (2740, 78812), (3230, 66856), (4148, 52060), (4636, 46580), (4658, 46360), (4880, 44251), (5168, 41785), (5185, 41648), (5206, 41480), (5480, 39406), (5795, 37264), (6460, 33428), (8296, 26030), (8357, 25840), (9272, 23290), (9316, 23180), (10370, 20824), (10412, 20740), (10960, 19703), (11590, 18632), (11645, 18544), (12920, 16714), (13015, 16592)]