421567470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21991}}^1$

素因数の和:22078

約数の個数: 64

約数和(自身を含む): 1140065280

約数和(自身を除く): 718497810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 3195, 3834, 6390, 9585, 19170, 21991, 43982, 65973, 109955, 131946, 197919, 219910, 329865, 395838, 593757, 659730, 989595, 1187514, 1561361, 1979190, 2968785, 3122722, 4684083, 5937570, 7806805, 9368166, 14052249, 15613610, 23420415, 28104498, 42156747, 46840830, 70261245, 84313494, 140522490, 210783735, 421567470]

約数ペア:

[(1, 421567470), (2, 210783735), (3, 140522490), (5, 84313494), (6, 70261245), (9, 46840830), (10, 42156747), (15, 28104498), (18, 23420415), (27, 15613610), (30, 14052249), (45, 9368166), (54, 7806805), (71, 5937570), (90, 4684083), (135, 3122722), (142, 2968785), (213, 1979190), (270, 1561361), (355, 1187514), (426, 989595), (639, 659730), (710, 593757), (1065, 395838), (1278, 329865), (1917, 219910), (2130, 197919), (3195, 131946), (3834, 109955), (6390, 65973), (9585, 43982), (19170, 21991)]