813077580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{276557}}^1$

素因数の和:276583

約数の個数: 72

約数和(自身を含む): 2648319408

約数和(自身を除く): 1835241828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 276557, 553114, 829671, 1106228, 1382785, 1659342, 1935899, 2765570, 3318684, 3871798, 4148355, 5531140, 5807697, 7743596, 8296710, 9679495, 11615394, 13551293, 16593420, 19358990, 23230788, 27102586, 29038485, 38717980, 40653879, 54205172, 58076970, 67756465, 81307758, 116153940, 135512930, 162615516, 203269395, 271025860, 406538790, 813077580]

約数ペア:

[(1, 813077580), (2, 406538790), (3, 271025860), (4, 203269395), (5, 162615516), (6, 135512930), (7, 116153940), (10, 81307758), (12, 67756465), (14, 58076970), (15, 54205172), (20, 40653879), (21, 38717980), (28, 29038485), (30, 27102586), (35, 23230788), (42, 19358990), (49, 16593420), (60, 13551293), (70, 11615394), (84, 9679495), (98, 8296710), (105, 7743596), (140, 5807697), (147, 5531140), (196, 4148355), (210, 3871798), (245, 3318684), (294, 2765570), (420, 1935899), (490, 1659342), (588, 1382785), (735, 1106228), (980, 829671), (1470, 553114), (2940, 276557)]