28909920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 101352384

約数和(自身を除く): 72442464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 96, 104, 113, 120, 123, 130, 156, 160, 164, 195, 205, 208, 226, 240, 246, 260, 312, 328, 339, 390, 410, 416, 452, 480, 492, 520, 533, 565, 615, 624, 656, 678, 780, 820, 904, 984, 1040, 1066, 1130, 1230, 1248, 1312, 1356, 1469, 1560, 1599, 1640, 1695, 1808, 1968, 2080, 2132, 2260, 2460, 2665, 2712, 2938, 3120, 3198, 3280, 3390, 3616, 3936, 4264, 4407, 4520, 4633, 4920, 5330, 5424, 5876, 6240, 6396, 6560, 6780, 7345, 7995, 8528, 8814, 9040, 9266, 9840, 10660, 10848, 11752, 12792, 13560, 13899, 14690, 15990, 17056, 17628, 18080, 18532, 19680, 21320, 22035, 23165, 23504, 25584, 27120, 27798, 29380, 31980, 35256, 37064, 42640, 44070, 46330, 47008, 51168, 54240, 55596, 58760, 60229, 63960, 69495, 70512, 74128, 85280, 88140, 92660, 111192, 117520, 120458, 127920, 138990, 141024, 148256, 176280, 180687, 185320, 222384, 235040, 240916, 255840, 277980, 301145, 352560, 361374, 370640, 444768, 481832, 555960, 602290, 705120, 722748, 741280, 903435, 963664, 1111920, 1204580, 1445496, 1806870, 1927328, 2223840, 2409160, 2890992, 3613740, 4818320, 5781984, 7227480, 9636640, 14454960, 28909920]

約数ペア:

[(1, 28909920), (2, 14454960), (3, 9636640), (4, 7227480), (5, 5781984), (6, 4818320), (8, 3613740), (10, 2890992), (12, 2409160), (13, 2223840), (15, 1927328), (16, 1806870), (20, 1445496), (24, 1204580), (26, 1111920), (30, 963664), (32, 903435), (39, 741280), (40, 722748), (41, 705120), (48, 602290), (52, 555960), (60, 481832), (65, 444768), (78, 370640), (80, 361374), (82, 352560), (96, 301145), (104, 277980), (113, 255840), (120, 240916), (123, 235040), (130, 222384), (156, 185320), (160, 180687), (164, 176280), (195, 148256), (205, 141024), (208, 138990), (226, 127920), (240, 120458), (246, 117520), (260, 111192), (312, 92660), (328, 88140), (339, 85280), (390, 74128), (410, 70512), (416, 69495), (452, 63960), (480, 60229), (492, 58760), (520, 55596), (533, 54240), (565, 51168), (615, 47008), (624, 46330), (656, 44070), (678, 42640), (780, 37064), (820, 35256), (904, 31980), (984, 29380), (1040, 27798), (1066, 27120), (1130, 25584), (1230, 23504), (1248, 23165), (1312, 22035), (1356, 21320), (1469, 19680), (1560, 18532), (1599, 18080), (1640, 17628), (1695, 17056), (1808, 15990), (1968, 14690), (2080, 13899), (2132, 13560), (2260, 12792), (2460, 11752), (2665, 10848), (2712, 10660), (2938, 9840), (3120, 9266), (3198, 9040), (3280, 8814), (3390, 8528), (3616, 7995), (3936, 7345), (4264, 6780), (4407, 6560), (4520, 6396), (4633, 6240), (4920, 5876), (5330, 5424)]