205710960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9419}}^1$

素因数の和:9455

約数の個数: 160

約数和(自身を含む): 784949760

約数和(自身を除く): 579238800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 9419, 10920, 18838, 21840, 28257, 37676, 47095, 56514, 65933, 75352, 94190, 113028, 122447, 131866, 141285, 150704, 188380, 197799, 226056, 244894, 263732, 282570, 329665, 367341, 376760, 395598, 452112, 489788, 527464, 565140, 612235, 659330, 734682, 753520, 791196, 857129, 979576, 988995, 1054928, 1130280, 1224470, 1318660, 1469364, 1582392, 1714258, 1836705, 1959152, 1977990, 2260560, 2448940, 2571387, 2637320, 2938728, 3164784, 3428516, 3673410, 3955980, 4285645, 4897880, 5142774, 5274640, 5877456, 6857032, 7346820, 7911960, 8571290, 9795760, 10285548, 12856935, 13714064, 14693640, 15823920, 17142580, 20571096, 25713870, 29387280, 34285160, 41142192, 51427740, 68570320, 102855480, 205710960]

約数ペア:

[(1, 205710960), (2, 102855480), (3, 68570320), (4, 51427740), (5, 41142192), (6, 34285160), (7, 29387280), (8, 25713870), (10, 20571096), (12, 17142580), (13, 15823920), (14, 14693640), (15, 13714064), (16, 12856935), (20, 10285548), (21, 9795760), (24, 8571290), (26, 7911960), (28, 7346820), (30, 6857032), (35, 5877456), (39, 5274640), (40, 5142774), (42, 4897880), (48, 4285645), (52, 3955980), (56, 3673410), (60, 3428516), (65, 3164784), (70, 2938728), (78, 2637320), (80, 2571387), (84, 2448940), (91, 2260560), (104, 1977990), (105, 1959152), (112, 1836705), (120, 1714258), (130, 1582392), (140, 1469364), (156, 1318660), (168, 1224470), (182, 1130280), (195, 1054928), (208, 988995), (210, 979576), (240, 857129), (260, 791196), (273, 753520), (280, 734682), (312, 659330), (336, 612235), (364, 565140), (390, 527464), (420, 489788), (455, 452112), (520, 395598), (546, 376760), (560, 367341), (624, 329665), (728, 282570), (780, 263732), (840, 244894), (910, 226056), (1040, 197799), (1092, 188380), (1365, 150704), (1456, 141285), (1560, 131866), (1680, 122447), (1820, 113028), (2184, 94190), (2730, 75352), (3120, 65933), (3640, 56514), (4368, 47095), (5460, 37676), (7280, 28257), (9419, 21840), (10920, 18838)]