1640464515

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{619}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 2974809600

約数和(自身を除く): 1334345085

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 293, 335, 603, 619, 879, 1005, 1465, 1809, 1857, 2637, 3015, 3095, 4395, 5571, 7911, 9045, 9285, 13185, 16713, 19631, 27855, 39555, 41473, 58893, 83565, 98155, 124419, 176679, 181367, 207365, 294465, 373257, 530037, 544101, 622095, 883395, 906835, 1119771, 1632303, 1866285, 2650185, 2720505, 4896909, 5598855, 8161515, 12151589, 24484545, 36454767, 60757945, 109364301, 182273835, 328092903, 546821505, 1640464515]

約数ペア:

[(1, 1640464515), (3, 546821505), (5, 328092903), (9, 182273835), (15, 109364301), (27, 60757945), (45, 36454767), (67, 24484545), (135, 12151589), (201, 8161515), (293, 5598855), (335, 4896909), (603, 2720505), (619, 2650185), (879, 1866285), (1005, 1632303), (1465, 1119771), (1809, 906835), (1857, 883395), (2637, 622095), (3015, 544101), (3095, 530037), (4395, 373257), (5571, 294465), (7911, 207365), (9045, 181367), (9285, 176679), (13185, 124419), (16713, 98155), (19631, 83565), (27855, 58893), (39555, 41473)]