215431440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{2617}}^1$

素因数の和:2654

約数の個数: 160

約数和(自身を含む): 779116800

約数和(自身を除く): 563685360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2617, 2744, 2940, 3430, 3920, 4116, 5145, 5234, 5488, 5880, 6860, 7851, 8232, 10290, 10468, 11760, 13085, 13720, 15702, 16464, 18319, 20580, 20936, 26170, 27440, 31404, 36638, 39255, 41160, 41872, 52340, 54957, 62808, 73276, 78510, 82320, 91595, 104680, 109914, 125616, 128233, 146552, 157020, 183190, 209360, 219828, 256466, 274785, 293104, 314040, 366380, 384699, 439656, 512932, 549570, 628080, 641165, 732760, 769398, 879312, 897631, 1025864, 1099140, 1282330, 1465520, 1538796, 1795262, 1923495, 2051728, 2198280, 2564660, 2692893, 3077592, 3590524, 3846990, 4396560, 4488155, 5129320, 5385786, 6155184, 7181048, 7693980, 8976310, 10258640, 10771572, 13464465, 14362096, 15387960, 17952620, 21543144, 26928930, 30775920, 35905240, 43086288, 53857860, 71810480, 107715720, 215431440]

約数ペア:

[(1, 215431440), (2, 107715720), (3, 71810480), (4, 53857860), (5, 43086288), (6, 35905240), (7, 30775920), (8, 26928930), (10, 21543144), (12, 17952620), (14, 15387960), (15, 14362096), (16, 13464465), (20, 10771572), (21, 10258640), (24, 8976310), (28, 7693980), (30, 7181048), (35, 6155184), (40, 5385786), (42, 5129320), (48, 4488155), (49, 4396560), (56, 3846990), (60, 3590524), (70, 3077592), (80, 2692893), (84, 2564660), (98, 2198280), (105, 2051728), (112, 1923495), (120, 1795262), (140, 1538796), (147, 1465520), (168, 1282330), (196, 1099140), (210, 1025864), (240, 897631), (245, 879312), (280, 769398), (294, 732760), (336, 641165), (343, 628080), (392, 549570), (420, 512932), (490, 439656), (560, 384699), (588, 366380), (686, 314040), (735, 293104), (784, 274785), (840, 256466), (980, 219828), (1029, 209360), (1176, 183190), (1372, 157020), (1470, 146552), (1680, 128233), (1715, 125616), (1960, 109914), (2058, 104680), (2352, 91595), (2617, 82320), (2744, 78510), (2940, 73276), (3430, 62808), (3920, 54957), (4116, 52340), (5145, 41872), (5234, 41160), (5488, 39255), (5880, 36638), (6860, 31404), (7851, 27440), (8232, 26170), (10290, 20936), (10468, 20580), (11760, 18319), (13085, 16464), (13720, 15702)]