720702570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:940

約数の個数: 128

約数和(自身を含む): 2057011200

約数和(自身を除く): 1336308630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 149, 155, 186, 210, 217, 298, 310, 434, 447, 465, 651, 743, 745, 894, 930, 1043, 1085, 1302, 1486, 1490, 2086, 2170, 2229, 2235, 3129, 3255, 3715, 4458, 4470, 4619, 5201, 5215, 6258, 6510, 7430, 9238, 10402, 10430, 11145, 13857, 15603, 15645, 22290, 23033, 23095, 26005, 27714, 31206, 31290, 32333, 46066, 46190, 52010, 64666, 69099, 69285, 78015, 96999, 110707, 115165, 138198, 138570, 156030, 161231, 161665, 193998, 221414, 230330, 322462, 323330, 332121, 345495, 483693, 484995, 553535, 664242, 690990, 774949, 806155, 967386, 969990, 1107070, 1549898, 1612310, 1660605, 2324847, 2418465, 3321210, 3431917, 3874745, 4649694, 4836930, 6863834, 7749490, 10295751, 11624235, 17159585, 20591502, 23248470, 24023419, 34319170, 48046838, 51478755, 72070257, 102957510, 120117095, 144140514, 240234190, 360351285, 720702570]

約数ペア:

[(1, 720702570), (2, 360351285), (3, 240234190), (5, 144140514), (6, 120117095), (7, 102957510), (10, 72070257), (14, 51478755), (15, 48046838), (21, 34319170), (30, 24023419), (31, 23248470), (35, 20591502), (42, 17159585), (62, 11624235), (70, 10295751), (93, 7749490), (105, 6863834), (149, 4836930), (155, 4649694), (186, 3874745), (210, 3431917), (217, 3321210), (298, 2418465), (310, 2324847), (434, 1660605), (447, 1612310), (465, 1549898), (651, 1107070), (743, 969990), (745, 967386), (894, 806155), (930, 774949), (1043, 690990), (1085, 664242), (1302, 553535), (1486, 484995), (1490, 483693), (2086, 345495), (2170, 332121), (2229, 323330), (2235, 322462), (3129, 230330), (3255, 221414), (3715, 193998), (4458, 161665), (4470, 161231), (4619, 156030), (5201, 138570), (5215, 138198), (6258, 115165), (6510, 110707), (7430, 96999), (9238, 78015), (10402, 69285), (10430, 69099), (11145, 64666), (13857, 52010), (15603, 46190), (15645, 46066), (22290, 32333), (23033, 31290), (23095, 31206), (26005, 27714)]