291906960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 932892672

約数和(自身を除く): 640985712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 127, 157, 183, 240, 244, 254, 305, 314, 366, 381, 471, 488, 508, 610, 628, 635, 732, 762, 785, 915, 942, 976, 1016, 1220, 1256, 1270, 1464, 1524, 1570, 1830, 1884, 1905, 2032, 2355, 2440, 2512, 2540, 2928, 3048, 3140, 3660, 3768, 3810, 4710, 4880, 5080, 6096, 6280, 7320, 7536, 7620, 7747, 9420, 9577, 10160, 12560, 14640, 15240, 15494, 18840, 19154, 19939, 23241, 28731, 30480, 30988, 37680, 38308, 38735, 39878, 46482, 47885, 57462, 59817, 61976, 76616, 77470, 79756, 92964, 95770, 99695, 114924, 116205, 119634, 123952, 143655, 153232, 154940, 159512, 185928, 191540, 199390, 229848, 232410, 239268, 287310, 299085, 309880, 319024, 371856, 383080, 398780, 459696, 464820, 478536, 574620, 598170, 619760, 766160, 797560, 929640, 957072, 1149240, 1196340, 1216279, 1595120, 1859280, 2298480, 2392680, 2432558, 3648837, 4785360, 4865116, 6081395, 7297674, 9730232, 12162790, 14595348, 18244185, 19460464, 24325580, 29190696, 36488370, 48651160, 58381392, 72976740, 97302320, 145953480, 291906960]

約数ペア:

[(1, 291906960), (2, 145953480), (3, 97302320), (4, 72976740), (5, 58381392), (6, 48651160), (8, 36488370), (10, 29190696), (12, 24325580), (15, 19460464), (16, 18244185), (20, 14595348), (24, 12162790), (30, 9730232), (40, 7297674), (48, 6081395), (60, 4865116), (61, 4785360), (80, 3648837), (120, 2432558), (122, 2392680), (127, 2298480), (157, 1859280), (183, 1595120), (240, 1216279), (244, 1196340), (254, 1149240), (305, 957072), (314, 929640), (366, 797560), (381, 766160), (471, 619760), (488, 598170), (508, 574620), (610, 478536), (628, 464820), (635, 459696), (732, 398780), (762, 383080), (785, 371856), (915, 319024), (942, 309880), (976, 299085), (1016, 287310), (1220, 239268), (1256, 232410), (1270, 229848), (1464, 199390), (1524, 191540), (1570, 185928), (1830, 159512), (1884, 154940), (1905, 153232), (2032, 143655), (2355, 123952), (2440, 119634), (2512, 116205), (2540, 114924), (2928, 99695), (3048, 95770), (3140, 92964), (3660, 79756), (3768, 77470), (3810, 76616), (4710, 61976), (4880, 59817), (5080, 57462), (6096, 47885), (6280, 46482), (7320, 39878), (7536, 38735), (7620, 38308), (7747, 37680), (9420, 30988), (9577, 30480), (10160, 28731), (12560, 23241), (14640, 19939), (15240, 19154), (15494, 18840)]