1640830020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{1951}}^1$

素因数の和:2201

約数の個数: 96

約数和(自身を含む): 4675055616

約数和(自身を除く): 3034225596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 131, 214, 262, 321, 393, 428, 524, 535, 642, 655, 786, 1070, 1284, 1310, 1572, 1605, 1951, 1965, 2140, 2620, 3210, 3902, 3930, 5853, 6420, 7804, 7860, 9755, 11706, 14017, 19510, 23412, 28034, 29265, 39020, 42051, 56068, 58530, 70085, 84102, 117060, 140170, 168204, 208757, 210255, 255581, 280340, 417514, 420510, 511162, 626271, 766743, 835028, 841020, 1022324, 1043785, 1252542, 1277905, 1533486, 2087570, 2505084, 2555810, 3066972, 3131355, 3833715, 4175140, 5111620, 6262710, 7667430, 12525420, 15334860, 27347167, 54694334, 82041501, 109388668, 136735835, 164083002, 273471670, 328166004, 410207505, 546943340, 820415010, 1640830020]

約数ペア:

[(1, 1640830020), (2, 820415010), (3, 546943340), (4, 410207505), (5, 328166004), (6, 273471670), (10, 164083002), (12, 136735835), (15, 109388668), (20, 82041501), (30, 54694334), (60, 27347167), (107, 15334860), (131, 12525420), (214, 7667430), (262, 6262710), (321, 5111620), (393, 4175140), (428, 3833715), (524, 3131355), (535, 3066972), (642, 2555810), (655, 2505084), (786, 2087570), (1070, 1533486), (1284, 1277905), (1310, 1252542), (1572, 1043785), (1605, 1022324), (1951, 841020), (1965, 835028), (2140, 766743), (2620, 626271), (3210, 511162), (3902, 420510), (3930, 417514), (5853, 280340), (6420, 255581), (7804, 210255), (7860, 208757), (9755, 168204), (11706, 140170), (14017, 117060), (19510, 84102), (23412, 70085), (28034, 58530), (29265, 56068), (39020, 42051)]