9902880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:80

約数の個数: 216

約数和(自身を含む): 38044188

約数和(自身を除く): 28141308

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 96, 104, 115, 117, 120, 130, 138, 144, 156, 160, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 288, 299, 312, 345, 360, 368, 390, 414, 416, 460, 468, 480, 520, 529, 552, 585, 598, 624, 690, 720, 736, 780, 828, 897, 920, 936, 1035, 1040, 1058, 1104, 1170, 1196, 1248, 1380, 1440, 1495, 1560, 1587, 1656, 1794, 1840, 1872, 2070, 2080, 2116, 2208, 2340, 2392, 2645, 2691, 2760, 2990, 3120, 3174, 3312, 3588, 3680, 3744, 4140, 4232, 4485, 4680, 4761, 4784, 5290, 5382, 5520, 5980, 6240, 6348, 6624, 6877, 7176, 7935, 8280, 8464, 8970, 9360, 9522, 9568, 10580, 10764, 11040, 11960, 12696, 13455, 13754, 14352, 15870, 16560, 16928, 17940, 18720, 19044, 20631, 21160, 21528, 23805, 23920, 25392, 26910, 27508, 28704, 31740, 33120, 34385, 35880, 38088, 41262, 42320, 43056, 47610, 47840, 50784, 53820, 55016, 61893, 63480, 68770, 71760, 76176, 82524, 84640, 86112, 95220, 103155, 107640, 110032, 123786, 126960, 137540, 143520, 152352, 165048, 190440, 206310, 215280, 220064, 247572, 253920, 275080, 309465, 330096, 380880, 412620, 430560, 495144, 550160, 618930, 660192, 761760, 825240, 990288, 1100320, 1237860, 1650480, 1980576, 2475720, 3300960, 4951440, 9902880]

約数ペア:

[(1, 9902880), (2, 4951440), (3, 3300960), (4, 2475720), (5, 1980576), (6, 1650480), (8, 1237860), (9, 1100320), (10, 990288), (12, 825240), (13, 761760), (15, 660192), (16, 618930), (18, 550160), (20, 495144), (23, 430560), (24, 412620), (26, 380880), (30, 330096), (32, 309465), (36, 275080), (39, 253920), (40, 247572), (45, 220064), (46, 215280), (48, 206310), (52, 190440), (60, 165048), (65, 152352), (69, 143520), (72, 137540), (78, 126960), (80, 123786), (90, 110032), (92, 107640), (96, 103155), (104, 95220), (115, 86112), (117, 84640), (120, 82524), (130, 76176), (138, 71760), (144, 68770), (156, 63480), (160, 61893), (180, 55016), (184, 53820), (195, 50784), (207, 47840), (208, 47610), (230, 43056), (234, 42320), (240, 41262), (260, 38088), (276, 35880), (288, 34385), (299, 33120), (312, 31740), (345, 28704), (360, 27508), (368, 26910), (390, 25392), (414, 23920), (416, 23805), (460, 21528), (468, 21160), (480, 20631), (520, 19044), (529, 18720), (552, 17940), (585, 16928), (598, 16560), (624, 15870), (690, 14352), (720, 13754), (736, 13455), (780, 12696), (828, 11960), (897, 11040), (920, 10764), (936, 10580), (1035, 9568), (1040, 9522), (1058, 9360), (1104, 8970), (1170, 8464), (1196, 8280), (1248, 7935), (1380, 7176), (1440, 6877), (1495, 6624), (1560, 6348), (1587, 6240), (1656, 5980), (1794, 5520), (1840, 5382), (1872, 5290), (2070, 4784), (2080, 4761), (2116, 4680), (2208, 4485), (2340, 4232), (2392, 4140), (2645, 3744), (2691, 3680), (2760, 3588), (2990, 3312), (3120, 3174)]