51869520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1261

約数の個数: 120

約数和(自身を含む): 177200712

約数和(自身を除く): 125331192

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, 1181, 1220, 1464, 1830, 2196, 2362, 2440, 2745, 2928, 3543, 3660, 4392, 4724, 4880, 5490, 5905, 7086, 7320, 8784, 9448, 10629, 10980, 11810, 14172, 14640, 17715, 18896, 21258, 21960, 23620, 28344, 35430, 42516, 43920, 47240, 53145, 56688, 70860, 72041, 85032, 94480, 106290, 141720, 144082, 170064, 212580, 216123, 283440, 288164, 360205, 425160, 432246, 576328, 648369, 720410, 850320, 864492, 1080615, 1152656, 1296738, 1440820, 1728984, 2161230, 2593476, 2881640, 3241845, 3457968, 4322460, 5186952, 5763280, 6483690, 8644920, 10373904, 12967380, 17289840, 25934760, 51869520]

約数ペア:

[(1, 51869520), (2, 25934760), (3, 17289840), (4, 12967380), (5, 10373904), (6, 8644920), (8, 6483690), (9, 5763280), (10, 5186952), (12, 4322460), (15, 3457968), (16, 3241845), (18, 2881640), (20, 2593476), (24, 2161230), (30, 1728984), (36, 1440820), (40, 1296738), (45, 1152656), (48, 1080615), (60, 864492), (61, 850320), (72, 720410), (80, 648369), (90, 576328), (120, 432246), (122, 425160), (144, 360205), (180, 288164), (183, 283440), (240, 216123), (244, 212580), (305, 170064), (360, 144082), (366, 141720), (488, 106290), (549, 94480), (610, 85032), (720, 72041), (732, 70860), (915, 56688), (976, 53145), (1098, 47240), (1181, 43920), (1220, 42516), (1464, 35430), (1830, 28344), (2196, 23620), (2362, 21960), (2440, 21258), (2745, 18896), (2928, 17715), (3543, 14640), (3660, 14172), (4392, 11810), (4724, 10980), (4880, 10629), (5490, 9448), (5905, 8784), (7086, 7320)]