128521440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:769

約数の個数: 144

約数和(自身を含む): 442260000

約数和(自身を除く): 313738560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 149, 160, 180, 240, 288, 298, 360, 447, 480, 596, 599, 720, 745, 894, 1192, 1198, 1341, 1440, 1490, 1788, 1797, 2235, 2384, 2396, 2682, 2980, 2995, 3576, 3594, 4470, 4768, 4792, 5364, 5391, 5960, 5990, 6705, 7152, 7188, 8940, 8985, 9584, 10728, 10782, 11920, 11980, 13410, 14304, 14376, 17880, 17970, 19168, 21456, 21564, 23840, 23960, 26820, 26955, 28752, 35760, 35940, 42912, 43128, 47920, 53640, 53910, 57504, 71520, 71880, 86256, 89251, 95840, 107280, 107820, 143760, 172512, 178502, 214560, 215640, 267753, 287520, 357004, 431280, 446255, 535506, 714008, 803259, 862560, 892510, 1071012, 1338765, 1428016, 1606518, 1785020, 2142024, 2677530, 2856032, 3213036, 3570040, 4016295, 4284048, 5355060, 6426072, 7140080, 8032590, 8568096, 10710120, 12852144, 14280160, 16065180, 21420240, 25704288, 32130360, 42840480, 64260720, 128521440]

約数ペア:

[(1, 128521440), (2, 64260720), (3, 42840480), (4, 32130360), (5, 25704288), (6, 21420240), (8, 16065180), (9, 14280160), (10, 12852144), (12, 10710120), (15, 8568096), (16, 8032590), (18, 7140080), (20, 6426072), (24, 5355060), (30, 4284048), (32, 4016295), (36, 3570040), (40, 3213036), (45, 2856032), (48, 2677530), (60, 2142024), (72, 1785020), (80, 1606518), (90, 1428016), (96, 1338765), (120, 1071012), (144, 892510), (149, 862560), (160, 803259), (180, 714008), (240, 535506), (288, 446255), (298, 431280), (360, 357004), (447, 287520), (480, 267753), (596, 215640), (599, 214560), (720, 178502), (745, 172512), (894, 143760), (1192, 107820), (1198, 107280), (1341, 95840), (1440, 89251), (1490, 86256), (1788, 71880), (1797, 71520), (2235, 57504), (2384, 53910), (2396, 53640), (2682, 47920), (2980, 43128), (2995, 42912), (3576, 35940), (3594, 35760), (4470, 28752), (4768, 26955), (4792, 26820), (5364, 23960), (5391, 23840), (5960, 21564), (5990, 21456), (6705, 19168), (7152, 17970), (7188, 17880), (8940, 14376), (8985, 14304), (9584, 13410), (10728, 11980), (10782, 11920)]