405392940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:760

約数の個数: 144

約数和(自身を含む): 1292630976

約数和(自身を除く): 887238036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 181, 207, 230, 276, 345, 362, 414, 460, 541, 543, 690, 724, 828, 905, 1035, 1082, 1086, 1380, 1623, 1629, 1810, 2070, 2164, 2172, 2705, 2715, 3246, 3258, 3620, 4140, 4163, 4869, 5410, 5430, 6492, 6516, 8115, 8145, 8326, 9738, 10820, 10860, 12443, 12489, 16230, 16290, 16652, 19476, 20815, 24345, 24886, 24978, 32460, 32580, 37329, 37467, 41630, 48690, 49772, 49956, 62215, 62445, 74658, 74934, 83260, 97380, 97921, 111987, 124430, 124890, 149316, 149868, 186645, 187335, 195842, 223974, 248860, 249780, 293763, 373290, 374670, 391684, 447948, 489605, 559935, 587526, 746580, 749340, 881289, 979210, 1119870, 1175052, 1468815, 1762578, 1958420, 2239740, 2252183, 2937630, 3525156, 4406445, 4504366, 5875260, 6756549, 8812890, 9008732, 11260915, 13513098, 17625780, 20269647, 22521830, 27026196, 33782745, 40539294, 45043660, 67565490, 81078588, 101348235, 135130980, 202696470, 405392940]

約数ペア:

[(1, 405392940), (2, 202696470), (3, 135130980), (4, 101348235), (5, 81078588), (6, 67565490), (9, 45043660), (10, 40539294), (12, 33782745), (15, 27026196), (18, 22521830), (20, 20269647), (23, 17625780), (30, 13513098), (36, 11260915), (45, 9008732), (46, 8812890), (60, 6756549), (69, 5875260), (90, 4504366), (92, 4406445), (115, 3525156), (138, 2937630), (180, 2252183), (181, 2239740), (207, 1958420), (230, 1762578), (276, 1468815), (345, 1175052), (362, 1119870), (414, 979210), (460, 881289), (541, 749340), (543, 746580), (690, 587526), (724, 559935), (828, 489605), (905, 447948), (1035, 391684), (1082, 374670), (1086, 373290), (1380, 293763), (1623, 249780), (1629, 248860), (1810, 223974), (2070, 195842), (2164, 187335), (2172, 186645), (2705, 149868), (2715, 149316), (3246, 124890), (3258, 124430), (3620, 111987), (4140, 97921), (4163, 97380), (4869, 83260), (5410, 74934), (5430, 74658), (6492, 62445), (6516, 62215), (8115, 49956), (8145, 49772), (8326, 48690), (9738, 41630), (10820, 37467), (10860, 37329), (12443, 32580), (12489, 32460), (16230, 24978), (16290, 24886), (16652, 24345), (19476, 20815)]