89627940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 290908800

約数和(自身を除く): 201280860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 73, 76, 90, 95, 114, 146, 171, 180, 190, 219, 228, 285, 292, 342, 359, 365, 380, 438, 570, 657, 684, 718, 730, 855, 876, 1077, 1095, 1140, 1314, 1387, 1436, 1460, 1710, 1795, 2154, 2190, 2628, 2774, 3231, 3285, 3420, 3590, 4161, 4308, 4380, 5385, 5548, 6462, 6570, 6821, 6935, 7180, 8322, 10770, 12483, 12924, 13140, 13642, 13870, 16155, 16644, 20463, 20805, 21540, 24966, 26207, 27284, 27740, 32310, 34105, 40926, 41610, 49932, 52414, 61389, 62415, 64620, 68210, 78621, 81852, 83220, 102315, 104828, 122778, 124830, 131035, 136420, 157242, 204630, 235863, 245556, 249660, 262070, 306945, 314484, 393105, 409260, 471726, 497933, 524140, 613890, 786210, 943452, 995866, 1179315, 1227780, 1493799, 1572420, 1991732, 2358630, 2489665, 2987598, 4481397, 4717260, 4979330, 5975196, 7468995, 8962794, 9958660, 14937990, 17925588, 22406985, 29875980, 44813970, 89627940]

約数ペア:

[(1, 89627940), (2, 44813970), (3, 29875980), (4, 22406985), (5, 17925588), (6, 14937990), (9, 9958660), (10, 8962794), (12, 7468995), (15, 5975196), (18, 4979330), (19, 4717260), (20, 4481397), (30, 2987598), (36, 2489665), (38, 2358630), (45, 1991732), (57, 1572420), (60, 1493799), (73, 1227780), (76, 1179315), (90, 995866), (95, 943452), (114, 786210), (146, 613890), (171, 524140), (180, 497933), (190, 471726), (219, 409260), (228, 393105), (285, 314484), (292, 306945), (342, 262070), (359, 249660), (365, 245556), (380, 235863), (438, 204630), (570, 157242), (657, 136420), (684, 131035), (718, 124830), (730, 122778), (855, 104828), (876, 102315), (1077, 83220), (1095, 81852), (1140, 78621), (1314, 68210), (1387, 64620), (1436, 62415), (1460, 61389), (1710, 52414), (1795, 49932), (2154, 41610), (2190, 40926), (2628, 34105), (2774, 32310), (3231, 27740), (3285, 27284), (3420, 26207), (3590, 24966), (4161, 21540), (4308, 20805), (4380, 20463), (5385, 16644), (5548, 16155), (6462, 13870), (6570, 13642), (6821, 13140), (6935, 12924), (7180, 12483), (8322, 10770)]