31370640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 113135616

約数和(自身を除く): 81764976

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, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 263, 280, 284, 336, 355, 420, 426, 497, 526, 560, 568, 710, 789, 840, 852, 994, 1052, 1065, 1136, 1315, 1420, 1491, 1578, 1680, 1704, 1841, 1988, 2104, 2130, 2485, 2630, 2840, 2982, 3156, 3408, 3682, 3945, 3976, 4208, 4260, 4970, 5260, 5523, 5680, 5964, 6312, 7364, 7455, 7890, 7952, 8520, 9205, 9940, 10520, 11046, 11928, 12624, 14728, 14910, 15780, 17040, 18410, 18673, 19880, 21040, 22092, 23856, 27615, 29456, 29820, 31560, 36820, 37346, 39760, 44184, 55230, 56019, 59640, 63120, 73640, 74692, 88368, 93365, 110460, 112038, 119280, 130711, 147280, 149384, 186730, 220920, 224076, 261422, 280095, 298768, 373460, 392133, 441840, 448152, 522844, 560190, 653555, 746920, 784266, 896304, 1045688, 1120380, 1307110, 1493840, 1568532, 1960665, 2091376, 2240760, 2614220, 3137064, 3921330, 4481520, 5228440, 6274128, 7842660, 10456880, 15685320, 31370640]

約数ペア:

[(1, 31370640), (2, 15685320), (3, 10456880), (4, 7842660), (5, 6274128), (6, 5228440), (7, 4481520), (8, 3921330), (10, 3137064), (12, 2614220), (14, 2240760), (15, 2091376), (16, 1960665), (20, 1568532), (21, 1493840), (24, 1307110), (28, 1120380), (30, 1045688), (35, 896304), (40, 784266), (42, 746920), (48, 653555), (56, 560190), (60, 522844), (70, 448152), (71, 441840), (80, 392133), (84, 373460), (105, 298768), (112, 280095), (120, 261422), (140, 224076), (142, 220920), (168, 186730), (210, 149384), (213, 147280), (240, 130711), (263, 119280), (280, 112038), (284, 110460), (336, 93365), (355, 88368), (420, 74692), (426, 73640), (497, 63120), (526, 59640), (560, 56019), (568, 55230), (710, 44184), (789, 39760), (840, 37346), (852, 36820), (994, 31560), (1052, 29820), (1065, 29456), (1136, 27615), (1315, 23856), (1420, 22092), (1491, 21040), (1578, 19880), (1680, 18673), (1704, 18410), (1841, 17040), (1988, 15780), (2104, 14910), (2130, 14728), (2485, 12624), (2630, 11928), (2840, 11046), (2982, 10520), (3156, 9940), (3408, 9205), (3682, 8520), (3945, 7952), (3976, 7890), (4208, 7455), (4260, 7364), (4970, 6312), (5260, 5964), (5523, 5680)]