81902160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5987}}^1$

素因数の和:6025

約数の個数: 120

約数和(自身を含む): 289579680

約数和(自身を除く): 207677520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 5987, 6840, 11974, 13680, 17961, 23948, 29935, 35922, 47896, 53883, 59870, 71844, 89805, 95792, 107766, 113753, 119740, 143688, 179610, 215532, 227506, 239480, 269415, 287376, 341259, 359220, 431064, 455012, 478960, 538830, 568765, 682518, 718440, 862128, 910024, 1023777, 1077660, 1137530, 1365036, 1436880, 1706295, 1820048, 2047554, 2155320, 2275060, 2730072, 3412590, 4095108, 4310640, 4550120, 5118885, 5460144, 6825180, 8190216, 9100240, 10237770, 13650360, 16380432, 20475540, 27300720, 40951080, 81902160]

約数ペア:

[(1, 81902160), (2, 40951080), (3, 27300720), (4, 20475540), (5, 16380432), (6, 13650360), (8, 10237770), (9, 9100240), (10, 8190216), (12, 6825180), (15, 5460144), (16, 5118885), (18, 4550120), (19, 4310640), (20, 4095108), (24, 3412590), (30, 2730072), (36, 2275060), (38, 2155320), (40, 2047554), (45, 1820048), (48, 1706295), (57, 1436880), (60, 1365036), (72, 1137530), (76, 1077660), (80, 1023777), (90, 910024), (95, 862128), (114, 718440), (120, 682518), (144, 568765), (152, 538830), (171, 478960), (180, 455012), (190, 431064), (228, 359220), (240, 341259), (285, 287376), (304, 269415), (342, 239480), (360, 227506), (380, 215532), (456, 179610), (570, 143688), (684, 119740), (720, 113753), (760, 107766), (855, 95792), (912, 89805), (1140, 71844), (1368, 59870), (1520, 53883), (1710, 47896), (2280, 35922), (2736, 29935), (3420, 23948), (4560, 17961), (5987, 13680), (6840, 11974)]