2640990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 7091712

約数和(自身を除く): 4450722

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 53, 55, 66, 106, 110, 151, 159, 165, 265, 302, 318, 330, 453, 530, 583, 755, 795, 906, 1166, 1510, 1590, 1661, 1749, 2265, 2915, 3322, 3498, 4530, 4983, 5830, 8003, 8305, 8745, 9966, 16006, 16610, 17490, 24009, 24915, 40015, 48018, 49830, 80030, 88033, 120045, 176066, 240090, 264099, 440165, 528198, 880330, 1320495, 2640990]

約数ペア:

[(1, 2640990), (2, 1320495), (3, 880330), (5, 528198), (6, 440165), (10, 264099), (11, 240090), (15, 176066), (22, 120045), (30, 88033), (33, 80030), (53, 49830), (55, 48018), (66, 40015), (106, 24915), (110, 24009), (151, 17490), (159, 16610), (165, 16006), (265, 9966), (302, 8745), (318, 8305), (330, 8003), (453, 5830), (530, 4983), (583, 4530), (755, 3498), (795, 3322), (906, 2915), (1166, 2265), (1510, 1749), (1590, 1661)]