215498360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 256

約数和(自身を含む): 651386880

約数和(自身を除く): 435888520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 37, 40, 44, 55, 56, 61, 62, 70, 74, 77, 88, 110, 122, 124, 140, 148, 154, 155, 185, 217, 220, 244, 248, 259, 280, 296, 305, 308, 310, 341, 370, 385, 407, 427, 434, 440, 488, 518, 610, 616, 620, 671, 682, 740, 770, 814, 854, 868, 1036, 1085, 1147, 1220, 1240, 1295, 1342, 1364, 1480, 1540, 1628, 1705, 1708, 1736, 1891, 2035, 2072, 2135, 2170, 2257, 2294, 2387, 2440, 2590, 2684, 2728, 2849, 3080, 3256, 3355, 3410, 3416, 3782, 4070, 4270, 4340, 4514, 4588, 4697, 4774, 5180, 5368, 5698, 5735, 6710, 6820, 7564, 8029, 8140, 8540, 8680, 9028, 9176, 9394, 9455, 9548, 10360, 11285, 11396, 11470, 11935, 12617, 13237, 13420, 13640, 14245, 15128, 15799, 16058, 16280, 17080, 18056, 18788, 18910, 19096, 20801, 22570, 22792, 22940, 23485, 23870, 24827, 25234, 26474, 26840, 28490, 31598, 32116, 37576, 37820, 40145, 41602, 45140, 45880, 46970, 47740, 49654, 50468, 52948, 56980, 63085, 63196, 64232, 66185, 69967, 75640, 78995, 80290, 83204, 88319, 90280, 93940, 95480, 99308, 100936, 104005, 105896, 113960, 124135, 126170, 126392, 132370, 139934, 145607, 157990, 160580, 166408, 173789, 176638, 187880, 198616, 208010, 248270, 252340, 264740, 279868, 291214, 315980, 321160, 347578, 349835, 353276, 416020, 441595, 489769, 496540, 504680, 529480, 559736, 582428, 631960, 695156, 699670, 706552, 728035, 769637, 832040, 868945, 883190, 979538, 993080, 1164856, 1390312, 1399340, 1456070, 1539274, 1737890, 1766380, 1959076, 2448845, 2798680, 2912140, 3078548, 3475780, 3532760, 3848185, 3918152, 4897690, 5387459, 5824280, 6157096, 6951560, 7696370, 9795380, 10774918, 15392740, 19590760, 21549836, 26937295, 30785480, 43099672, 53874590, 107749180, 215498360]

約数ペア:

[(1, 215498360), (2, 107749180), (4, 53874590), (5, 43099672), (7, 30785480), (8, 26937295), (10, 21549836), (11, 19590760), (14, 15392740), (20, 10774918), (22, 9795380), (28, 7696370), (31, 6951560), (35, 6157096), (37, 5824280), (40, 5387459), (44, 4897690), (55, 3918152), (56, 3848185), (61, 3532760), (62, 3475780), (70, 3078548), (74, 2912140), (77, 2798680), (88, 2448845), (110, 1959076), (122, 1766380), (124, 1737890), (140, 1539274), (148, 1456070), (154, 1399340), (155, 1390312), (185, 1164856), (217, 993080), (220, 979538), (244, 883190), (248, 868945), (259, 832040), (280, 769637), (296, 728035), (305, 706552), (308, 699670), (310, 695156), (341, 631960), (370, 582428), (385, 559736), (407, 529480), (427, 504680), (434, 496540), (440, 489769), (488, 441595), (518, 416020), (610, 353276), (616, 349835), (620, 347578), (671, 321160), (682, 315980), (740, 291214), (770, 279868), (814, 264740), (854, 252340), (868, 248270), (1036, 208010), (1085, 198616), (1147, 187880), (1220, 176638), (1240, 173789), (1295, 166408), (1342, 160580), (1364, 157990), (1480, 145607), (1540, 139934), (1628, 132370), (1705, 126392), (1708, 126170), (1736, 124135), (1891, 113960), (2035, 105896), (2072, 104005), (2135, 100936), (2170, 99308), (2257, 95480), (2294, 93940), (2387, 90280), (2440, 88319), (2590, 83204), (2684, 80290), (2728, 78995), (2849, 75640), (3080, 69967), (3256, 66185), (3355, 64232), (3410, 63196), (3416, 63085), (3782, 56980), (4070, 52948), (4270, 50468), (4340, 49654), (4514, 47740), (4588, 46970), (4697, 45880), (4774, 45140), (5180, 41602), (5368, 40145), (5698, 37820), (5735, 37576), (6710, 32116), (6820, 31598), (7564, 28490), (8029, 26840), (8140, 26474), (8540, 25234), (8680, 24827), (9028, 23870), (9176, 23485), (9394, 22940), (9455, 22792), (9548, 22570), (10360, 20801), (11285, 19096), (11396, 18910), (11470, 18788), (11935, 18056), (12617, 17080), (13237, 16280), (13420, 16058), (13640, 15799), (14245, 15128)]