1901340720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{43291}}^1$

素因数の和:43371

約数の個数: 120

約数和(自身を含む): 6490163472

約数和(自身を除く): 4588822752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 43291, 43920, 86582, 129873, 173164, 216455, 259746, 346328, 389619, 432910, 519492, 649365, 692656, 779238, 865820, 1038984, 1298730, 1558476, 1731640, 1948095, 2077968, 2597460, 2640751, 3116952, 3463280, 3896190, 5194920, 5281502, 6233904, 7792380, 7922253, 10389840, 10563004, 13203755, 15584760, 15844506, 21126008, 23766759, 26407510, 31169520, 31689012, 39611265, 42252016, 47533518, 52815020, 63378024, 79222530, 95067036, 105630040, 118833795, 126756048, 158445060, 190134072, 211260080, 237667590, 316890120, 380268144, 475335180, 633780240, 950670360, 1901340720]

約数ペア:

[(1, 1901340720), (2, 950670360), (3, 633780240), (4, 475335180), (5, 380268144), (6, 316890120), (8, 237667590), (9, 211260080), (10, 190134072), (12, 158445060), (15, 126756048), (16, 118833795), (18, 105630040), (20, 95067036), (24, 79222530), (30, 63378024), (36, 52815020), (40, 47533518), (45, 42252016), (48, 39611265), (60, 31689012), (61, 31169520), (72, 26407510), (80, 23766759), (90, 21126008), (120, 15844506), (122, 15584760), (144, 13203755), (180, 10563004), (183, 10389840), (240, 7922253), (244, 7792380), (305, 6233904), (360, 5281502), (366, 5194920), (488, 3896190), (549, 3463280), (610, 3116952), (720, 2640751), (732, 2597460), (915, 2077968), (976, 1948095), (1098, 1731640), (1220, 1558476), (1464, 1298730), (1830, 1038984), (2196, 865820), (2440, 779238), (2745, 692656), (2928, 649365), (3660, 519492), (4392, 432910), (4880, 389619), (5490, 346328), (7320, 259746), (8784, 216455), (10980, 173164), (14640, 129873), (21960, 86582), (43291, 43920)]