28949040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1347

約数の個数: 120

約数和(自身を含む): 100434048

約数和(自身を除く): 71485008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1297, 1395, 1488, 1860, 2232, 2480, 2594, 2790, 3720, 3891, 4464, 5188, 5580, 6485, 7440, 7782, 10376, 11160, 11673, 12970, 15564, 19455, 20752, 22320, 23346, 25940, 31128, 38910, 40207, 46692, 51880, 58365, 62256, 77820, 80414, 93384, 103760, 116730, 120621, 155640, 160828, 186768, 201035, 233460, 241242, 311280, 321656, 361863, 402070, 466920, 482484, 603105, 643312, 723726, 804140, 933840, 964968, 1206210, 1447452, 1608280, 1809315, 1929936, 2412420, 2894904, 3216560, 3618630, 4824840, 5789808, 7237260, 9649680, 14474520, 28949040]

約数ペア:

[(1, 28949040), (2, 14474520), (3, 9649680), (4, 7237260), (5, 5789808), (6, 4824840), (8, 3618630), (9, 3216560), (10, 2894904), (12, 2412420), (15, 1929936), (16, 1809315), (18, 1608280), (20, 1447452), (24, 1206210), (30, 964968), (31, 933840), (36, 804140), (40, 723726), (45, 643312), (48, 603105), (60, 482484), (62, 466920), (72, 402070), (80, 361863), (90, 321656), (93, 311280), (120, 241242), (124, 233460), (144, 201035), (155, 186768), (180, 160828), (186, 155640), (240, 120621), (248, 116730), (279, 103760), (310, 93384), (360, 80414), (372, 77820), (465, 62256), (496, 58365), (558, 51880), (620, 46692), (720, 40207), (744, 38910), (930, 31128), (1116, 25940), (1240, 23346), (1297, 22320), (1395, 20752), (1488, 19455), (1860, 15564), (2232, 12970), (2480, 11673), (2594, 11160), (2790, 10376), (3720, 7782), (3891, 7440), (4464, 6485), (5188, 5580)]