210812520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19739}}^1$

素因数の和:19842

約数の個数: 64

約数和(自身を含む): 639576000

約数和(自身を除く): 428763480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 10680, 19739, 39478, 59217, 78956, 98695, 118434, 157912, 197390, 236868, 296085, 394780, 473736, 592170, 789560, 1184340, 1756771, 2368680, 3513542, 5270313, 7027084, 8783855, 10540626, 14054168, 17567710, 21081252, 26351565, 35135420, 42162504, 52703130, 70270840, 105406260, 210812520]

約数ペア:

[(1, 210812520), (2, 105406260), (3, 70270840), (4, 52703130), (5, 42162504), (6, 35135420), (8, 26351565), (10, 21081252), (12, 17567710), (15, 14054168), (20, 10540626), (24, 8783855), (30, 7027084), (40, 5270313), (60, 3513542), (89, 2368680), (120, 1756771), (178, 1184340), (267, 789560), (356, 592170), (445, 473736), (534, 394780), (712, 296085), (890, 236868), (1068, 197390), (1335, 157912), (1780, 118434), (2136, 98695), (2670, 78956), (3560, 59217), (5340, 39478), (10680, 19739)]