28123680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4507}}^1$

素因数の和:4538

約数の個数: 96

約数和(自身を含む): 95425344

約数和(自身を除く): 67301664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 4507, 6240, 9014, 13521, 18028, 22535, 27042, 36056, 45070, 54084, 58591, 67605, 72112, 90140, 108168, 117182, 135210, 144224, 175773, 180280, 216336, 234364, 270420, 292955, 351546, 360560, 432672, 468728, 540840, 585910, 703092, 721120, 878865, 937456, 1081680, 1171820, 1406184, 1757730, 1874912, 2163360, 2343640, 2812368, 3515460, 4687280, 5624736, 7030920, 9374560, 14061840, 28123680]

約数ペア:

[(1, 28123680), (2, 14061840), (3, 9374560), (4, 7030920), (5, 5624736), (6, 4687280), (8, 3515460), (10, 2812368), (12, 2343640), (13, 2163360), (15, 1874912), (16, 1757730), (20, 1406184), (24, 1171820), (26, 1081680), (30, 937456), (32, 878865), (39, 721120), (40, 703092), (48, 585910), (52, 540840), (60, 468728), (65, 432672), (78, 360560), (80, 351546), (96, 292955), (104, 270420), (120, 234364), (130, 216336), (156, 180280), (160, 175773), (195, 144224), (208, 135210), (240, 117182), (260, 108168), (312, 90140), (390, 72112), (416, 67605), (480, 58591), (520, 54084), (624, 45070), (780, 36056), (1040, 27042), (1248, 22535), (1560, 18028), (2080, 13521), (3120, 9014), (4507, 6240)]