311151240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4723}}^1$

素因数の和:4804

約数の個数: 128

約数和(自身を含む): 1054396800

約数和(自身を除く): 743245560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 4723, 5490, 6588, 7320, 8235, 9446, 10980, 13176, 14169, 16470, 18892, 21960, 23615, 28338, 32940, 37784, 42507, 47230, 56676, 65880, 70845, 85014, 94460, 113352, 127521, 141690, 170028, 188920, 212535, 255042, 283380, 288103, 340056, 425070, 510084, 566760, 576206, 637605, 850140, 864309, 1020168, 1152412, 1275210, 1440515, 1700280, 1728618, 2304824, 2550420, 2592927, 2881030, 3457236, 4321545, 5100840, 5185854, 5762060, 6914472, 7778781, 8643090, 10371708, 11524120, 12964635, 15557562, 17286180, 20743416, 25929270, 31115124, 34572360, 38893905, 51858540, 62230248, 77787810, 103717080, 155575620, 311151240]

約数ペア:

[(1, 311151240), (2, 155575620), (3, 103717080), (4, 77787810), (5, 62230248), (6, 51858540), (8, 38893905), (9, 34572360), (10, 31115124), (12, 25929270), (15, 20743416), (18, 17286180), (20, 15557562), (24, 12964635), (27, 11524120), (30, 10371708), (36, 8643090), (40, 7778781), (45, 6914472), (54, 5762060), (60, 5185854), (61, 5100840), (72, 4321545), (90, 3457236), (108, 2881030), (120, 2592927), (122, 2550420), (135, 2304824), (180, 1728618), (183, 1700280), (216, 1440515), (244, 1275210), (270, 1152412), (305, 1020168), (360, 864309), (366, 850140), (488, 637605), (540, 576206), (549, 566760), (610, 510084), (732, 425070), (915, 340056), (1080, 288103), (1098, 283380), (1220, 255042), (1464, 212535), (1647, 188920), (1830, 170028), (2196, 141690), (2440, 127521), (2745, 113352), (3294, 94460), (3660, 85014), (4392, 70845), (4723, 65880), (5490, 56676), (6588, 47230), (7320, 42507), (8235, 37784), (9446, 32940), (10980, 28338), (13176, 23615), (14169, 21960), (16470, 18892)]