15664511420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1\times {\mathrm{3559}}^1$

素因数の和:3859

約数の個数: 72

約数和(自身を含む): 34148872800

約数和(自身を除く): 18484361380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 620, 916, 961, 1145, 1922, 2290, 3559, 3844, 4580, 4805, 7099, 7118, 9610, 14198, 14236, 17795, 19220, 28396, 35495, 35590, 70990, 71180, 110329, 141980, 220069, 220658, 440138, 441316, 551645, 815011, 880276, 1100345, 1103290, 1630022, 2200690, 2206580, 3260044, 3420199, 4075055, 4401380, 6840398, 8150110, 13680796, 16300220, 17100995, 25265341, 34201990, 50530682, 68403980, 101061364, 126326705, 252653410, 505306820, 783225571, 1566451142, 3132902284, 3916127855, 7832255710, 15664511420]

約数ペア:

[(1, 15664511420), (2, 7832255710), (4, 3916127855), (5, 3132902284), (10, 1566451142), (20, 783225571), (31, 505306820), (62, 252653410), (124, 126326705), (155, 101061364), (229, 68403980), (310, 50530682), (458, 34201990), (620, 25265341), (916, 17100995), (961, 16300220), (1145, 13680796), (1922, 8150110), (2290, 6840398), (3559, 4401380), (3844, 4075055), (4580, 3420199), (4805, 3260044), (7099, 2206580), (7118, 2200690), (9610, 1630022), (14198, 1103290), (14236, 1100345), (17795, 880276), (19220, 815011), (28396, 551645), (35495, 441316), (35590, 440138), (70990, 220658), (71180, 220069), (110329, 141980)]