81735840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1883

約数の個数: 144

約数和(自身を含む): 288078336

約数和(自身を除く): 206342496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1831, 1860, 2232, 2480, 2790, 2976, 3662, 3720, 4464, 4960, 5493, 5580, 7324, 7440, 8928, 9155, 10986, 11160, 14648, 14880, 16479, 18310, 21972, 22320, 27465, 29296, 32958, 36620, 43944, 44640, 54930, 56761, 58592, 65916, 73240, 82395, 87888, 109860, 113522, 131832, 146480, 164790, 170283, 175776, 219720, 227044, 263664, 283805, 292960, 329580, 340566, 439440, 454088, 510849, 527328, 567610, 659160, 681132, 851415, 878880, 908176, 1021698, 1135220, 1318320, 1362264, 1702830, 1816352, 2043396, 2270440, 2554245, 2636640, 2724528, 3405660, 4086792, 4540880, 5108490, 5449056, 6811320, 8173584, 9081760, 10216980, 13622640, 16347168, 20433960, 27245280, 40867920, 81735840]

約数ペア:

[(1, 81735840), (2, 40867920), (3, 27245280), (4, 20433960), (5, 16347168), (6, 13622640), (8, 10216980), (9, 9081760), (10, 8173584), (12, 6811320), (15, 5449056), (16, 5108490), (18, 4540880), (20, 4086792), (24, 3405660), (30, 2724528), (31, 2636640), (32, 2554245), (36, 2270440), (40, 2043396), (45, 1816352), (48, 1702830), (60, 1362264), (62, 1318320), (72, 1135220), (80, 1021698), (90, 908176), (93, 878880), (96, 851415), (120, 681132), (124, 659160), (144, 567610), (155, 527328), (160, 510849), (180, 454088), (186, 439440), (240, 340566), (248, 329580), (279, 292960), (288, 283805), (310, 263664), (360, 227044), (372, 219720), (465, 175776), (480, 170283), (496, 164790), (558, 146480), (620, 131832), (720, 113522), (744, 109860), (930, 87888), (992, 82395), (1116, 73240), (1240, 65916), (1395, 58592), (1440, 56761), (1488, 54930), (1831, 44640), (1860, 43944), (2232, 36620), (2480, 32958), (2790, 29296), (2976, 27465), (3662, 22320), (3720, 21972), (4464, 18310), (4960, 16479), (5493, 14880), (5580, 14648), (7324, 11160), (7440, 10986), (8928, 9155)]