28885680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 160

約数和(自身を含む): 102136320

約数和(自身を除く): 73250640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 240, 258, 270, 311, 344, 360, 387, 430, 432, 516, 540, 622, 645, 688, 720, 774, 860, 933, 1032, 1080, 1161, 1244, 1290, 1548, 1555, 1720, 1866, 1935, 2064, 2160, 2322, 2488, 2580, 2799, 3096, 3110, 3440, 3732, 3870, 4644, 4665, 4976, 5160, 5598, 5805, 6192, 6220, 7464, 7740, 8397, 9288, 9330, 10320, 11196, 11610, 12440, 13373, 13995, 14928, 15480, 16794, 18576, 18660, 22392, 23220, 24880, 26746, 27990, 30960, 33588, 37320, 40119, 41985, 44784, 46440, 53492, 55980, 66865, 67176, 74640, 80238, 83970, 92880, 106984, 111960, 120357, 133730, 134352, 160476, 167940, 200595, 213968, 223920, 240714, 267460, 320952, 335880, 361071, 401190, 481428, 534920, 601785, 641904, 671760, 722142, 802380, 962856, 1069840, 1203570, 1444284, 1604760, 1805355, 1925712, 2407140, 2888568, 3209520, 3610710, 4814280, 5777136, 7221420, 9628560, 14442840, 28885680]

約数ペア:

[(1, 28885680), (2, 14442840), (3, 9628560), (4, 7221420), (5, 5777136), (6, 4814280), (8, 3610710), (9, 3209520), (10, 2888568), (12, 2407140), (15, 1925712), (16, 1805355), (18, 1604760), (20, 1444284), (24, 1203570), (27, 1069840), (30, 962856), (36, 802380), (40, 722142), (43, 671760), (45, 641904), (48, 601785), (54, 534920), (60, 481428), (72, 401190), (80, 361071), (86, 335880), (90, 320952), (108, 267460), (120, 240714), (129, 223920), (135, 213968), (144, 200595), (172, 167940), (180, 160476), (215, 134352), (216, 133730), (240, 120357), (258, 111960), (270, 106984), (311, 92880), (344, 83970), (360, 80238), (387, 74640), (430, 67176), (432, 66865), (516, 55980), (540, 53492), (622, 46440), (645, 44784), (688, 41985), (720, 40119), (774, 37320), (860, 33588), (933, 30960), (1032, 27990), (1080, 26746), (1161, 24880), (1244, 23220), (1290, 22392), (1548, 18660), (1555, 18576), (1720, 16794), (1866, 15480), (1935, 14928), (2064, 13995), (2160, 13373), (2322, 12440), (2488, 11610), (2580, 11196), (2799, 10320), (3096, 9330), (3110, 9288), (3440, 8397), (3732, 7740), (3870, 7464), (4644, 6220), (4665, 6192), (4976, 5805), (5160, 5598)]