31481520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2677}}^1$

素因数の和:2707

約数の個数: 120

約数和(自身を含む): 113568624

約数和(自身を除く): 82087104

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, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2677, 2940, 3920, 5354, 5880, 8031, 10708, 11760, 13385, 16062, 18739, 21416, 26770, 32124, 37478, 40155, 42832, 53540, 56217, 64248, 74956, 80310, 93695, 107080, 112434, 128496, 131173, 149912, 160620, 187390, 214160, 224868, 262346, 281085, 299824, 321240, 374780, 393519, 449736, 524692, 562170, 642480, 655865, 749560, 787038, 899472, 1049384, 1124340, 1311730, 1499120, 1574076, 1967595, 2098768, 2248680, 2623460, 3148152, 3935190, 4497360, 5246920, 6296304, 7870380, 10493840, 15740760, 31481520]

約数ペア:

[(1, 31481520), (2, 15740760), (3, 10493840), (4, 7870380), (5, 6296304), (6, 5246920), (7, 4497360), (8, 3935190), (10, 3148152), (12, 2623460), (14, 2248680), (15, 2098768), (16, 1967595), (20, 1574076), (21, 1499120), (24, 1311730), (28, 1124340), (30, 1049384), (35, 899472), (40, 787038), (42, 749560), (48, 655865), (49, 642480), (56, 562170), (60, 524692), (70, 449736), (80, 393519), (84, 374780), (98, 321240), (105, 299824), (112, 281085), (120, 262346), (140, 224868), (147, 214160), (168, 187390), (196, 160620), (210, 149912), (240, 131173), (245, 128496), (280, 112434), (294, 107080), (336, 93695), (392, 80310), (420, 74956), (490, 64248), (560, 56217), (588, 53540), (735, 42832), (784, 40155), (840, 37478), (980, 32124), (1176, 26770), (1470, 21416), (1680, 18739), (1960, 16062), (2352, 13385), (2677, 11760), (2940, 10708), (3920, 8031), (5354, 5880)]