390001800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 192

約数和(自身を含む): 1285632000

約数和(自身を除く): 895630200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 59, 60, 69, 75, 92, 100, 115, 118, 120, 138, 150, 177, 184, 200, 230, 236, 276, 295, 300, 345, 354, 460, 472, 479, 552, 575, 590, 600, 690, 708, 885, 920, 958, 1150, 1180, 1357, 1380, 1416, 1437, 1475, 1725, 1770, 1916, 2300, 2360, 2395, 2714, 2760, 2874, 2950, 3450, 3540, 3832, 4071, 4425, 4600, 4790, 5428, 5748, 5900, 6785, 6900, 7080, 7185, 8142, 8850, 9580, 10856, 11017, 11496, 11800, 11975, 13570, 13800, 14370, 16284, 17700, 19160, 20355, 22034, 23950, 27140, 28261, 28740, 32568, 33051, 33925, 35400, 35925, 40710, 44068, 47900, 54280, 55085, 56522, 57480, 66102, 67850, 71850, 81420, 84783, 88136, 95800, 101775, 110170, 113044, 132204, 135700, 141305, 143700, 162840, 165255, 169566, 203550, 220340, 226088, 264408, 271400, 275425, 282610, 287400, 330510, 339132, 407100, 423915, 440680, 550850, 565220, 650003, 661020, 678264, 706525, 814200, 826275, 847830, 1101700, 1130440, 1300006, 1322040, 1413050, 1652550, 1695660, 1950009, 2119575, 2203400, 2600012, 2826100, 3250015, 3305100, 3391320, 3900018, 4239150, 5200024, 5652200, 6500030, 6610200, 7800036, 8478300, 9750045, 13000060, 15600072, 16250075, 16956600, 19500090, 26000120, 32500150, 39000180, 48750225, 65000300, 78000360, 97500450, 130000600, 195000900, 390001800]

約数ペア:

[(1, 390001800), (2, 195000900), (3, 130000600), (4, 97500450), (5, 78000360), (6, 65000300), (8, 48750225), (10, 39000180), (12, 32500150), (15, 26000120), (20, 19500090), (23, 16956600), (24, 16250075), (25, 15600072), (30, 13000060), (40, 9750045), (46, 8478300), (50, 7800036), (59, 6610200), (60, 6500030), (69, 5652200), (75, 5200024), (92, 4239150), (100, 3900018), (115, 3391320), (118, 3305100), (120, 3250015), (138, 2826100), (150, 2600012), (177, 2203400), (184, 2119575), (200, 1950009), (230, 1695660), (236, 1652550), (276, 1413050), (295, 1322040), (300, 1300006), (345, 1130440), (354, 1101700), (460, 847830), (472, 826275), (479, 814200), (552, 706525), (575, 678264), (590, 661020), (600, 650003), (690, 565220), (708, 550850), (885, 440680), (920, 423915), (958, 407100), (1150, 339132), (1180, 330510), (1357, 287400), (1380, 282610), (1416, 275425), (1437, 271400), (1475, 264408), (1725, 226088), (1770, 220340), (1916, 203550), (2300, 169566), (2360, 165255), (2395, 162840), (2714, 143700), (2760, 141305), (2874, 135700), (2950, 132204), (3450, 113044), (3540, 110170), (3832, 101775), (4071, 95800), (4425, 88136), (4600, 84783), (4790, 81420), (5428, 71850), (5748, 67850), (5900, 66102), (6785, 57480), (6900, 56522), (7080, 55085), (7185, 54280), (8142, 47900), (8850, 44068), (9580, 40710), (10856, 35925), (11017, 35400), (11496, 33925), (11800, 33051), (11975, 32568), (13570, 28740), (13800, 28261), (14370, 27140), (16284, 23950), (17700, 22034), (19160, 20355)]