28869840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 120

約数和(自身を含む): 98161128

約数和(自身を除く): 69291288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 397, 404, 505, 606, 720, 794, 808, 909, 1010, 1191, 1212, 1515, 1588, 1616, 1818, 1985, 2020, 2382, 2424, 3030, 3176, 3573, 3636, 3970, 4040, 4545, 4764, 4848, 5955, 6060, 6352, 7146, 7272, 7940, 8080, 9090, 9528, 11910, 12120, 14292, 14544, 15880, 17865, 18180, 19056, 23820, 24240, 28584, 31760, 35730, 36360, 40097, 47640, 57168, 71460, 72720, 80194, 95280, 120291, 142920, 160388, 200485, 240582, 285840, 320776, 360873, 400970, 481164, 601455, 641552, 721746, 801940, 962328, 1202910, 1443492, 1603880, 1804365, 1924656, 2405820, 2886984, 3207760, 3608730, 4811640, 5773968, 7217460, 9623280, 14434920, 28869840]

約数ペア:

[(1, 28869840), (2, 14434920), (3, 9623280), (4, 7217460), (5, 5773968), (6, 4811640), (8, 3608730), (9, 3207760), (10, 2886984), (12, 2405820), (15, 1924656), (16, 1804365), (18, 1603880), (20, 1443492), (24, 1202910), (30, 962328), (36, 801940), (40, 721746), (45, 641552), (48, 601455), (60, 481164), (72, 400970), (80, 360873), (90, 320776), (101, 285840), (120, 240582), (144, 200485), (180, 160388), (202, 142920), (240, 120291), (303, 95280), (360, 80194), (397, 72720), (404, 71460), (505, 57168), (606, 47640), (720, 40097), (794, 36360), (808, 35730), (909, 31760), (1010, 28584), (1191, 24240), (1212, 23820), (1515, 19056), (1588, 18180), (1616, 17865), (1818, 15880), (1985, 14544), (2020, 14292), (2382, 12120), (2424, 11910), (3030, 9528), (3176, 9090), (3573, 8080), (3636, 7940), (3970, 7272), (4040, 7146), (4545, 6352), (4764, 6060), (4848, 5955)]