680264760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{809839}}^1$

素因数の和:809860

約数の個数: 64

約数和(自身を含む): 2332339200

約数和(自身を除く): 1652074440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 809839, 1619678, 2429517, 3239356, 4049195, 4859034, 5668873, 6478712, 8098390, 9718068, 11337746, 12147585, 16196780, 17006619, 19436136, 22675492, 24295170, 28344365, 32393560, 34013238, 45350984, 48590340, 56688730, 68026476, 85033095, 97180680, 113377460, 136052952, 170066190, 226754920, 340132380, 680264760]

約数ペア:

[(1, 680264760), (2, 340132380), (3, 226754920), (4, 170066190), (5, 136052952), (6, 113377460), (7, 97180680), (8, 85033095), (10, 68026476), (12, 56688730), (14, 48590340), (15, 45350984), (20, 34013238), (21, 32393560), (24, 28344365), (28, 24295170), (30, 22675492), (35, 19436136), (40, 17006619), (42, 16196780), (56, 12147585), (60, 11337746), (70, 9718068), (84, 8098390), (105, 6478712), (120, 5668873), (140, 4859034), (168, 4049195), (210, 3239356), (280, 2429517), (420, 1619678), (840, 809839)]