89939920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 167186480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 80, 95, 107, 112, 133, 140, 152, 158, 190, 214, 266, 280, 304, 316, 380, 395, 428, 532, 535, 553, 560, 632, 665, 749, 760, 790, 856, 1064, 1070, 1106, 1264, 1330, 1498, 1501, 1520, 1580, 1712, 2033, 2128, 2140, 2212, 2660, 2765, 2996, 3002, 3160, 3745, 4066, 4280, 4424, 5320, 5530, 5992, 6004, 6320, 7490, 7505, 8132, 8453, 8560, 8848, 10165, 10507, 10640, 11060, 11984, 12008, 14231, 14980, 15010, 16264, 16906, 20330, 21014, 22120, 24016, 28462, 29960, 30020, 32528, 33812, 40660, 42028, 42265, 44240, 52535, 56924, 59171, 59920, 60040, 67624, 71155, 81320, 84056, 84530, 105070, 113848, 118342, 120080, 135248, 142310, 160607, 162640, 168112, 169060, 210140, 227696, 236684, 284620, 295855, 321214, 338120, 420280, 473368, 569240, 591710, 642428, 676240, 803035, 840560, 946736, 1124249, 1138480, 1183420, 1284856, 1606070, 2248498, 2366840, 2569712, 3212140, 4496996, 4733680, 5621245, 6424280, 8993992, 11242490, 12848560, 17987984, 22484980, 44969960, 89939920]

約数ペア:

[(1, 89939920), (2, 44969960), (4, 22484980), (5, 17987984), (7, 12848560), (8, 11242490), (10, 8993992), (14, 6424280), (16, 5621245), (19, 4733680), (20, 4496996), (28, 3212140), (35, 2569712), (38, 2366840), (40, 2248498), (56, 1606070), (70, 1284856), (76, 1183420), (79, 1138480), (80, 1124249), (95, 946736), (107, 840560), (112, 803035), (133, 676240), (140, 642428), (152, 591710), (158, 569240), (190, 473368), (214, 420280), (266, 338120), (280, 321214), (304, 295855), (316, 284620), (380, 236684), (395, 227696), (428, 210140), (532, 169060), (535, 168112), (553, 162640), (560, 160607), (632, 142310), (665, 135248), (749, 120080), (760, 118342), (790, 113848), (856, 105070), (1064, 84530), (1070, 84056), (1106, 81320), (1264, 71155), (1330, 67624), (1498, 60040), (1501, 59920), (1520, 59171), (1580, 56924), (1712, 52535), (2033, 44240), (2128, 42265), (2140, 42028), (2212, 40660), (2660, 33812), (2765, 32528), (2996, 30020), (3002, 29960), (3160, 28462), (3745, 24016), (4066, 22120), (4280, 21014), (4424, 20330), (5320, 16906), (5530, 16264), (5992, 15010), (6004, 14980), (6320, 14231), (7490, 12008), (7505, 11984), (8132, 11060), (8453, 10640), (8560, 10507), (8848, 10165)]