28619640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 109287360

約数和(自身を除く): 80667720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 56, 60, 63, 70, 72, 82, 84, 90, 105, 120, 123, 126, 140, 164, 168, 180, 205, 210, 246, 252, 277, 280, 287, 315, 328, 360, 369, 410, 420, 492, 504, 554, 574, 615, 630, 738, 820, 831, 840, 861, 984, 1108, 1148, 1230, 1260, 1385, 1435, 1476, 1640, 1662, 1722, 1845, 1939, 2216, 2296, 2460, 2493, 2520, 2583, 2770, 2870, 2952, 3324, 3444, 3690, 3878, 4155, 4305, 4920, 4986, 5166, 5540, 5740, 5817, 6648, 6888, 7380, 7756, 8310, 8610, 9695, 9972, 10332, 11080, 11357, 11480, 11634, 12465, 12915, 14760, 15512, 16620, 17220, 17451, 19390, 19944, 20664, 22714, 23268, 24930, 25830, 29085, 33240, 34071, 34440, 34902, 38780, 45428, 46536, 49860, 51660, 56785, 58170, 68142, 69804, 77560, 79499, 87255, 90856, 99720, 102213, 103320, 113570, 116340, 136284, 139608, 158998, 170355, 174510, 204426, 227140, 232680, 238497, 272568, 317996, 340710, 349020, 397495, 408852, 454280, 476994, 511065, 635992, 681420, 698040, 715491, 794990, 817704, 953988, 1022130, 1192485, 1362840, 1430982, 1589980, 1907976, 2044260, 2384970, 2861964, 3179960, 3577455, 4088520, 4769940, 5723928, 7154910, 9539880, 14309820, 28619640]

約数ペア:

[(1, 28619640), (2, 14309820), (3, 9539880), (4, 7154910), (5, 5723928), (6, 4769940), (7, 4088520), (8, 3577455), (9, 3179960), (10, 2861964), (12, 2384970), (14, 2044260), (15, 1907976), (18, 1589980), (20, 1430982), (21, 1362840), (24, 1192485), (28, 1022130), (30, 953988), (35, 817704), (36, 794990), (40, 715491), (41, 698040), (42, 681420), (45, 635992), (56, 511065), (60, 476994), (63, 454280), (70, 408852), (72, 397495), (82, 349020), (84, 340710), (90, 317996), (105, 272568), (120, 238497), (123, 232680), (126, 227140), (140, 204426), (164, 174510), (168, 170355), (180, 158998), (205, 139608), (210, 136284), (246, 116340), (252, 113570), (277, 103320), (280, 102213), (287, 99720), (315, 90856), (328, 87255), (360, 79499), (369, 77560), (410, 69804), (420, 68142), (492, 58170), (504, 56785), (554, 51660), (574, 49860), (615, 46536), (630, 45428), (738, 38780), (820, 34902), (831, 34440), (840, 34071), (861, 33240), (984, 29085), (1108, 25830), (1148, 24930), (1230, 23268), (1260, 22714), (1385, 20664), (1435, 19944), (1476, 19390), (1640, 17451), (1662, 17220), (1722, 16620), (1845, 15512), (1939, 14760), (2216, 12915), (2296, 12465), (2460, 11634), (2493, 11480), (2520, 11357), (2583, 11080), (2770, 10332), (2870, 9972), (2952, 9695), (3324, 8610), (3444, 8310), (3690, 7756), (3878, 7380), (4155, 6888), (4305, 6648), (4920, 5817), (4986, 5740), (5166, 5540)]