405474480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 240

約数和(自身を含む): 1457879904

約数和(自身を除く): 1052405424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 157, 170, 180, 204, 211, 240, 255, 272, 306, 314, 340, 360, 408, 422, 471, 510, 612, 628, 633, 680, 720, 765, 785, 816, 844, 942, 1020, 1055, 1224, 1256, 1266, 1360, 1413, 1530, 1570, 1688, 1884, 1899, 2040, 2110, 2355, 2448, 2512, 2532, 2669, 2826, 3060, 3140, 3165, 3376, 3587, 3768, 3798, 4080, 4220, 4710, 5064, 5338, 5652, 6120, 6280, 6330, 7065, 7174, 7536, 7596, 8007, 8440, 9420, 9495, 10128, 10676, 10761, 11304, 12240, 12560, 12660, 13345, 14130, 14348, 15192, 16014, 16880, 17935, 18840, 18990, 21352, 21522, 22608, 24021, 25320, 26690, 28260, 28696, 30384, 32028, 32283, 33127, 35870, 37680, 37980, 40035, 42704, 43044, 48042, 50640, 53380, 53805, 56520, 57392, 64056, 64566, 66254, 71740, 75960, 80070, 86088, 96084, 99381, 106760, 107610, 113040, 120105, 128112, 129132, 132508, 143480, 151920, 160140, 161415, 165635, 172176, 192168, 198762, 213520, 215220, 240210, 258264, 265016, 286960, 298143, 320280, 322830, 331270, 384336, 397524, 430440, 480420, 496905, 516528, 530032, 563159, 596286, 640560, 645660, 662540, 795048, 860880, 960840, 993810, 1126318, 1192572, 1291320, 1325080, 1490715, 1590096, 1689477, 1921680, 1987620, 2252636, 2385144, 2582640, 2650160, 2815795, 2981430, 3378954, 3975240, 4505272, 4770288, 5068431, 5631590, 5962860, 6757908, 7950480, 8447385, 9010544, 10136862, 11263180, 11925720, 13515816, 16894770, 20273724, 22526360, 23851440, 25342155, 27031632, 33789540, 40547448, 45052720, 50684310, 67579080, 81094896, 101368620, 135158160, 202737240, 405474480]

約数ペア:

[(1, 405474480), (2, 202737240), (3, 135158160), (4, 101368620), (5, 81094896), (6, 67579080), (8, 50684310), (9, 45052720), (10, 40547448), (12, 33789540), (15, 27031632), (16, 25342155), (17, 23851440), (18, 22526360), (20, 20273724), (24, 16894770), (30, 13515816), (34, 11925720), (36, 11263180), (40, 10136862), (45, 9010544), (48, 8447385), (51, 7950480), (60, 6757908), (68, 5962860), (72, 5631590), (80, 5068431), (85, 4770288), (90, 4505272), (102, 3975240), (120, 3378954), (136, 2981430), (144, 2815795), (153, 2650160), (157, 2582640), (170, 2385144), (180, 2252636), (204, 1987620), (211, 1921680), (240, 1689477), (255, 1590096), (272, 1490715), (306, 1325080), (314, 1291320), (340, 1192572), (360, 1126318), (408, 993810), (422, 960840), (471, 860880), (510, 795048), (612, 662540), (628, 645660), (633, 640560), (680, 596286), (720, 563159), (765, 530032), (785, 516528), (816, 496905), (844, 480420), (942, 430440), (1020, 397524), (1055, 384336), (1224, 331270), (1256, 322830), (1266, 320280), (1360, 298143), (1413, 286960), (1530, 265016), (1570, 258264), (1688, 240210), (1884, 215220), (1899, 213520), (2040, 198762), (2110, 192168), (2355, 172176), (2448, 165635), (2512, 161415), (2532, 160140), (2669, 151920), (2826, 143480), (3060, 132508), (3140, 129132), (3165, 128112), (3376, 120105), (3587, 113040), (3768, 107610), (3798, 106760), (4080, 99381), (4220, 96084), (4710, 86088), (5064, 80070), (5338, 75960), (5652, 71740), (6120, 66254), (6280, 64566), (6330, 64056), (7065, 57392), (7174, 56520), (7536, 53805), (7596, 53380), (8007, 50640), (8440, 48042), (9420, 43044), (9495, 42704), (10128, 40035), (10676, 37980), (10761, 37680), (11304, 35870), (12240, 33127), (12560, 32283), (12660, 32028), (13345, 30384), (14130, 28696), (14348, 28260), (15192, 26690), (16014, 25320), (16880, 24021), (17935, 22608), (18840, 21522), (18990, 21352)]