28607280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 97868736

約数和(自身を除く): 69261456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 159, 173, 195, 208, 212, 240, 260, 265, 312, 318, 346, 390, 424, 519, 520, 530, 624, 636, 689, 692, 780, 795, 848, 865, 1038, 1040, 1060, 1272, 1378, 1384, 1560, 1590, 1730, 2067, 2076, 2120, 2249, 2544, 2595, 2756, 2768, 3120, 3180, 3445, 3460, 4134, 4152, 4240, 4498, 5190, 5512, 6360, 6747, 6890, 6920, 8268, 8304, 8996, 9169, 10335, 10380, 11024, 11245, 12720, 13494, 13780, 13840, 16536, 17992, 18338, 20670, 20760, 22490, 26988, 27507, 27560, 33072, 33735, 35984, 36676, 41340, 41520, 44980, 45845, 53976, 55014, 55120, 67470, 73352, 82680, 89960, 91690, 107952, 110028, 119197, 134940, 137535, 146704, 165360, 179920, 183380, 220056, 238394, 269880, 275070, 357591, 366760, 440112, 476788, 539760, 550140, 595985, 715182, 733520, 953576, 1100280, 1191970, 1430364, 1787955, 1907152, 2200560, 2383940, 2860728, 3575910, 4767880, 5721456, 7151820, 9535760, 14303640, 28607280]

約数ペア:

[(1, 28607280), (2, 14303640), (3, 9535760), (4, 7151820), (5, 5721456), (6, 4767880), (8, 3575910), (10, 2860728), (12, 2383940), (13, 2200560), (15, 1907152), (16, 1787955), (20, 1430364), (24, 1191970), (26, 1100280), (30, 953576), (39, 733520), (40, 715182), (48, 595985), (52, 550140), (53, 539760), (60, 476788), (65, 440112), (78, 366760), (80, 357591), (104, 275070), (106, 269880), (120, 238394), (130, 220056), (156, 183380), (159, 179920), (173, 165360), (195, 146704), (208, 137535), (212, 134940), (240, 119197), (260, 110028), (265, 107952), (312, 91690), (318, 89960), (346, 82680), (390, 73352), (424, 67470), (519, 55120), (520, 55014), (530, 53976), (624, 45845), (636, 44980), (689, 41520), (692, 41340), (780, 36676), (795, 35984), (848, 33735), (865, 33072), (1038, 27560), (1040, 27507), (1060, 26988), (1272, 22490), (1378, 20760), (1384, 20670), (1560, 18338), (1590, 17992), (1730, 16536), (2067, 13840), (2076, 13780), (2120, 13494), (2249, 12720), (2544, 11245), (2595, 11024), (2756, 10380), (2768, 10335), (3120, 9169), (3180, 8996), (3445, 8304), (3460, 8268), (4134, 6920), (4152, 6890), (4240, 6747), (4498, 6360), (5190, 5512)]