639600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 2260272

約数和(自身を除く): 1620672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 41, 48, 50, 52, 60, 65, 75, 78, 80, 82, 100, 104, 120, 123, 130, 150, 156, 164, 195, 200, 205, 208, 240, 246, 260, 300, 312, 325, 328, 390, 400, 410, 492, 520, 533, 600, 615, 624, 650, 656, 780, 820, 975, 984, 1025, 1040, 1066, 1200, 1230, 1300, 1560, 1599, 1640, 1950, 1968, 2050, 2132, 2460, 2600, 2665, 3075, 3120, 3198, 3280, 3900, 4100, 4264, 4920, 5200, 5330, 6150, 6396, 7800, 7995, 8200, 8528, 9840, 10660, 12300, 12792, 13325, 15600, 15990, 16400, 21320, 24600, 25584, 26650, 31980, 39975, 42640, 49200, 53300, 63960, 79950, 106600, 127920, 159900, 213200, 319800, 639600]

約数ペア:

[(1, 639600), (2, 319800), (3, 213200), (4, 159900), (5, 127920), (6, 106600), (8, 79950), (10, 63960), (12, 53300), (13, 49200), (15, 42640), (16, 39975), (20, 31980), (24, 26650), (25, 25584), (26, 24600), (30, 21320), (39, 16400), (40, 15990), (41, 15600), (48, 13325), (50, 12792), (52, 12300), (60, 10660), (65, 9840), (75, 8528), (78, 8200), (80, 7995), (82, 7800), (100, 6396), (104, 6150), (120, 5330), (123, 5200), (130, 4920), (150, 4264), (156, 4100), (164, 3900), (195, 3280), (200, 3198), (205, 3120), (208, 3075), (240, 2665), (246, 2600), (260, 2460), (300, 2132), (312, 2050), (325, 1968), (328, 1950), (390, 1640), (400, 1599), (410, 1560), (492, 1300), (520, 1230), (533, 1200), (600, 1066), (615, 1040), (624, 1025), (650, 984), (656, 975), (780, 820)]