72557870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 180652032

約数和(自身を除く): 108094162

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 23, 34, 35, 46, 55, 70, 77, 85, 110, 115, 119, 154, 161, 170, 187, 230, 238, 241, 253, 322, 374, 385, 391, 482, 506, 595, 770, 782, 805, 935, 1190, 1205, 1265, 1309, 1610, 1687, 1771, 1870, 1955, 2410, 2530, 2618, 2651, 2737, 3374, 3542, 3910, 4097, 4301, 5302, 5474, 5543, 6545, 8194, 8435, 8602, 8855, 11086, 13090, 13255, 13685, 16870, 17710, 18557, 20485, 21505, 26510, 27370, 27715, 28679, 30107, 37114, 38801, 40970, 43010, 45067, 55430, 57358, 60214, 60973, 77602, 90134, 92785, 94231, 121946, 143395, 150535, 185570, 188462, 194005, 225335, 286790, 301070, 304865, 315469, 388010, 426811, 450670, 471155, 609730, 630938, 659617, 853622, 942310, 1036541, 1319234, 1577345, 2073082, 2134055, 3154690, 3298085, 4268110, 5182705, 6596170, 7255787, 10365410, 14511574, 36278935, 72557870]

約数ペア:

[(1, 72557870), (2, 36278935), (5, 14511574), (7, 10365410), (10, 7255787), (11, 6596170), (14, 5182705), (17, 4268110), (22, 3298085), (23, 3154690), (34, 2134055), (35, 2073082), (46, 1577345), (55, 1319234), (70, 1036541), (77, 942310), (85, 853622), (110, 659617), (115, 630938), (119, 609730), (154, 471155), (161, 450670), (170, 426811), (187, 388010), (230, 315469), (238, 304865), (241, 301070), (253, 286790), (322, 225335), (374, 194005), (385, 188462), (391, 185570), (482, 150535), (506, 143395), (595, 121946), (770, 94231), (782, 92785), (805, 90134), (935, 77602), (1190, 60973), (1205, 60214), (1265, 57358), (1309, 55430), (1610, 45067), (1687, 43010), (1771, 40970), (1870, 38801), (1955, 37114), (2410, 30107), (2530, 28679), (2618, 27715), (2651, 27370), (2737, 26510), (3374, 21505), (3542, 20485), (3910, 18557), (4097, 17710), (4301, 16870), (5302, 13685), (5474, 13255), (5543, 13090), (6545, 11086), (8194, 8855), (8435, 8602)]