72408560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 205320192

約数和(自身を除く): 132911632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 56, 62, 70, 80, 86, 97, 112, 124, 140, 155, 172, 194, 215, 217, 248, 280, 301, 310, 344, 388, 430, 434, 485, 496, 560, 602, 620, 679, 688, 776, 860, 868, 970, 1085, 1204, 1240, 1333, 1358, 1505, 1552, 1720, 1736, 1940, 2170, 2408, 2480, 2666, 2716, 3007, 3010, 3395, 3440, 3472, 3880, 4171, 4340, 4816, 5332, 5432, 6014, 6020, 6665, 6790, 7760, 8342, 8680, 9331, 10664, 10864, 12028, 12040, 13330, 13580, 15035, 16684, 17360, 18662, 20855, 21049, 21328, 24056, 24080, 26660, 27160, 29197, 30070, 33368, 37324, 41710, 42098, 46655, 48112, 53320, 54320, 58394, 60140, 66736, 74648, 83420, 84196, 93310, 105245, 106640, 116788, 120280, 129301, 145985, 149296, 166840, 168392, 186620, 210490, 233576, 240560, 258602, 291970, 333680, 336784, 373240, 420980, 467152, 517204, 583940, 646505, 746480, 841960, 905107, 1034408, 1167880, 1293010, 1683920, 1810214, 2068816, 2335760, 2586020, 3620428, 4525535, 5172040, 7240856, 9051070, 10344080, 14481712, 18102140, 36204280, 72408560]

約数ペア:

[(1, 72408560), (2, 36204280), (4, 18102140), (5, 14481712), (7, 10344080), (8, 9051070), (10, 7240856), (14, 5172040), (16, 4525535), (20, 3620428), (28, 2586020), (31, 2335760), (35, 2068816), (40, 1810214), (43, 1683920), (56, 1293010), (62, 1167880), (70, 1034408), (80, 905107), (86, 841960), (97, 746480), (112, 646505), (124, 583940), (140, 517204), (155, 467152), (172, 420980), (194, 373240), (215, 336784), (217, 333680), (248, 291970), (280, 258602), (301, 240560), (310, 233576), (344, 210490), (388, 186620), (430, 168392), (434, 166840), (485, 149296), (496, 145985), (560, 129301), (602, 120280), (620, 116788), (679, 106640), (688, 105245), (776, 93310), (860, 84196), (868, 83420), (970, 74648), (1085, 66736), (1204, 60140), (1240, 58394), (1333, 54320), (1358, 53320), (1505, 48112), (1552, 46655), (1720, 42098), (1736, 41710), (1940, 37324), (2170, 33368), (2408, 30070), (2480, 29197), (2666, 27160), (2716, 26660), (3007, 24080), (3010, 24056), (3395, 21328), (3440, 21049), (3472, 20855), (3880, 18662), (4171, 17360), (4340, 16684), (4816, 15035), (5332, 13580), (5432, 13330), (6014, 12040), (6020, 12028), (6665, 10864), (6790, 10664), (7760, 9331), (8342, 8680)]