168994280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2731}}^1$

素因数の和:2779

約数の個数: 128

約数和(自身を含む): 495694080

約数和(自身を除く): 326699800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 2731, 3094, 3640, 4420, 4760, 5462, 6188, 7735, 8840, 10924, 12376, 13655, 15470, 19117, 21848, 27310, 30940, 35503, 38234, 46427, 54620, 61880, 71006, 76468, 92854, 95585, 109240, 142012, 152936, 177515, 185708, 191170, 232135, 248521, 284024, 324989, 355030, 371416, 382340, 464270, 497042, 603551, 649978, 710060, 764680, 928540, 994084, 1207102, 1242605, 1299956, 1420120, 1624945, 1857080, 1988168, 2414204, 2485210, 2599912, 3017755, 3249890, 4224857, 4828408, 4970420, 6035510, 6499780, 8449714, 9940840, 12071020, 12999560, 16899428, 21124285, 24142040, 33798856, 42248570, 84497140, 168994280]

約数ペア:

[(1, 168994280), (2, 84497140), (4, 42248570), (5, 33798856), (7, 24142040), (8, 21124285), (10, 16899428), (13, 12999560), (14, 12071020), (17, 9940840), (20, 8449714), (26, 6499780), (28, 6035510), (34, 4970420), (35, 4828408), (40, 4224857), (52, 3249890), (56, 3017755), (65, 2599912), (68, 2485210), (70, 2414204), (85, 1988168), (91, 1857080), (104, 1624945), (119, 1420120), (130, 1299956), (136, 1242605), (140, 1207102), (170, 994084), (182, 928540), (221, 764680), (238, 710060), (260, 649978), (280, 603551), (340, 497042), (364, 464270), (442, 382340), (455, 371416), (476, 355030), (520, 324989), (595, 284024), (680, 248521), (728, 232135), (884, 191170), (910, 185708), (952, 177515), (1105, 152936), (1190, 142012), (1547, 109240), (1768, 95585), (1820, 92854), (2210, 76468), (2380, 71006), (2731, 61880), (3094, 54620), (3640, 46427), (4420, 38234), (4760, 35503), (5462, 30940), (6188, 27310), (7735, 21848), (8840, 19117), (10924, 15470), (12376, 13655)]