68646960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 160

約数和(自身を含む): 240788160

約数和(自身を除く): 172141200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 432, 488, 521, 540, 549, 610, 720, 732, 915, 976, 1042, 1080, 1098, 1220, 1464, 1563, 1647, 1830, 2084, 2160, 2196, 2440, 2605, 2745, 2928, 3126, 3294, 3660, 4168, 4392, 4689, 4880, 5210, 5490, 6252, 6588, 7320, 7815, 8235, 8336, 8784, 9378, 10420, 10980, 12504, 13176, 14067, 14640, 15630, 16470, 18756, 20840, 21960, 23445, 25008, 26352, 28134, 31260, 31781, 32940, 37512, 41680, 43920, 46890, 56268, 62520, 63562, 65880, 70335, 75024, 93780, 95343, 112536, 125040, 127124, 131760, 140670, 158905, 187560, 190686, 225072, 254248, 281340, 286029, 317810, 375120, 381372, 476715, 508496, 562680, 572058, 635620, 762744, 858087, 953430, 1125360, 1144116, 1271240, 1430145, 1525488, 1716174, 1906860, 2288232, 2542480, 2860290, 3432348, 3813720, 4290435, 4576464, 5720580, 6864696, 7627440, 8580870, 11441160, 13729392, 17161740, 22882320, 34323480, 68646960]

約数ペア:

[(1, 68646960), (2, 34323480), (3, 22882320), (4, 17161740), (5, 13729392), (6, 11441160), (8, 8580870), (9, 7627440), (10, 6864696), (12, 5720580), (15, 4576464), (16, 4290435), (18, 3813720), (20, 3432348), (24, 2860290), (27, 2542480), (30, 2288232), (36, 1906860), (40, 1716174), (45, 1525488), (48, 1430145), (54, 1271240), (60, 1144116), (61, 1125360), (72, 953430), (80, 858087), (90, 762744), (108, 635620), (120, 572058), (122, 562680), (135, 508496), (144, 476715), (180, 381372), (183, 375120), (216, 317810), (240, 286029), (244, 281340), (270, 254248), (305, 225072), (360, 190686), (366, 187560), (432, 158905), (488, 140670), (521, 131760), (540, 127124), (549, 125040), (610, 112536), (720, 95343), (732, 93780), (915, 75024), (976, 70335), (1042, 65880), (1080, 63562), (1098, 62520), (1220, 56268), (1464, 46890), (1563, 43920), (1647, 41680), (1830, 37512), (2084, 32940), (2160, 31781), (2196, 31260), (2440, 28134), (2605, 26352), (2745, 25008), (2928, 23445), (3126, 21960), (3294, 20840), (3660, 18756), (4168, 16470), (4392, 15630), (4689, 14640), (4880, 14067), (5210, 13176), (5490, 12504), (6252, 10980), (6588, 10420), (7320, 9378), (7815, 8784), (8235, 8336)]