40540320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:667

約数の個数: 144

約数和(自身を含む): 141523200

約数和(自身を除く): 100982880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 282, 288, 360, 376, 423, 470, 480, 564, 599, 705, 720, 752, 846, 940, 1128, 1198, 1410, 1440, 1504, 1692, 1797, 1880, 2115, 2256, 2396, 2820, 2995, 3384, 3594, 3760, 4230, 4512, 4792, 5391, 5640, 5990, 6768, 7188, 7520, 8460, 8985, 9584, 10782, 11280, 11980, 13536, 14376, 16920, 17970, 19168, 21564, 22560, 23960, 26955, 28153, 28752, 33840, 35940, 43128, 47920, 53910, 56306, 57504, 67680, 71880, 84459, 86256, 95840, 107820, 112612, 140765, 143760, 168918, 172512, 215640, 225224, 253377, 281530, 287520, 337836, 422295, 431280, 450448, 506754, 563060, 675672, 844590, 862560, 900896, 1013508, 1126120, 1266885, 1351344, 1689180, 2027016, 2252240, 2533770, 2702688, 3378360, 4054032, 4504480, 5067540, 6756720, 8108064, 10135080, 13513440, 20270160, 40540320]

約数ペア:

[(1, 40540320), (2, 20270160), (3, 13513440), (4, 10135080), (5, 8108064), (6, 6756720), (8, 5067540), (9, 4504480), (10, 4054032), (12, 3378360), (15, 2702688), (16, 2533770), (18, 2252240), (20, 2027016), (24, 1689180), (30, 1351344), (32, 1266885), (36, 1126120), (40, 1013508), (45, 900896), (47, 862560), (48, 844590), (60, 675672), (72, 563060), (80, 506754), (90, 450448), (94, 431280), (96, 422295), (120, 337836), (141, 287520), (144, 281530), (160, 253377), (180, 225224), (188, 215640), (235, 172512), (240, 168918), (282, 143760), (288, 140765), (360, 112612), (376, 107820), (423, 95840), (470, 86256), (480, 84459), (564, 71880), (599, 67680), (705, 57504), (720, 56306), (752, 53910), (846, 47920), (940, 43128), (1128, 35940), (1198, 33840), (1410, 28752), (1440, 28153), (1504, 26955), (1692, 23960), (1797, 22560), (1880, 21564), (2115, 19168), (2256, 17970), (2396, 16920), (2820, 14376), (2995, 13536), (3384, 11980), (3594, 11280), (3760, 10782), (4230, 9584), (4512, 8985), (4792, 8460), (5391, 7520), (5640, 7188), (5990, 6768)]