31225680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1449

約数の個数: 120

約数和(自身を含む): 108326400

約数和(自身を除く): 77100720

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, 1395, 1399, 1488, 1860, 2232, 2480, 2790, 2798, 3720, 4197, 4464, 5580, 5596, 6995, 7440, 8394, 11160, 11192, 12591, 13990, 16788, 20985, 22320, 22384, 25182, 27980, 33576, 41970, 43369, 50364, 55960, 62955, 67152, 83940, 86738, 100728, 111920, 125910, 130107, 167880, 173476, 201456, 216845, 251820, 260214, 335760, 346952, 390321, 433690, 503640, 520428, 650535, 693904, 780642, 867380, 1007280, 1040856, 1301070, 1561284, 1734760, 1951605, 2081712, 2602140, 3122568, 3469520, 3903210, 5204280, 6245136, 7806420, 10408560, 15612840, 31225680]

約数ペア:

[(1, 31225680), (2, 15612840), (3, 10408560), (4, 7806420), (5, 6245136), (6, 5204280), (8, 3903210), (9, 3469520), (10, 3122568), (12, 2602140), (15, 2081712), (16, 1951605), (18, 1734760), (20, 1561284), (24, 1301070), (30, 1040856), (31, 1007280), (36, 867380), (40, 780642), (45, 693904), (48, 650535), (60, 520428), (62, 503640), (72, 433690), (80, 390321), (90, 346952), (93, 335760), (120, 260214), (124, 251820), (144, 216845), (155, 201456), (180, 173476), (186, 167880), (240, 130107), (248, 125910), (279, 111920), (310, 100728), (360, 86738), (372, 83940), (465, 67152), (496, 62955), (558, 55960), (620, 50364), (720, 43369), (744, 41970), (930, 33576), (1116, 27980), (1240, 25182), (1395, 22384), (1399, 22320), (1488, 20985), (1860, 16788), (2232, 13990), (2480, 12591), (2790, 11192), (2798, 11160), (3720, 8394), (4197, 7440), (4464, 6995), (5580, 5596)]