1661567192820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{22621}}^1\times {\mathrm{45341}}^1$

素因数の和:67983

約数の個数: 120

約数和(自身を含む): 5212743211368

約数和(自身を除く): 3551176018548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 22621, 45242, 45341, 67863, 90484, 90682, 113105, 135726, 136023, 181364, 203589, 226210, 226705, 271452, 272046, 339315, 407178, 408069, 452420, 453410, 544092, 610767, 678630, 680115, 814356, 816138, 906820, 1017945, 1221534, 1224207, 1357260, 1360230, 1632276, 1832301, 2035890, 2040345, 2443068, 2448414, 2720460, 3053835, 3664602, 3672621, 4071780, 4080690, 4896828, 6107670, 6121035, 7329204, 7345242, 8161380, 9161505, 12215340, 12242070, 14690484, 18323010, 18363105, 24484140, 36646020, 36726210, 73452420, 1025658761, 2051317522, 3076976283, 4102635044, 5128293805, 6153952566, 9230928849, 10256587610, 12307905132, 15384881415, 18461857698, 20513175220, 27692786547, 30769762830, 36923715396, 46154644245, 55385573094, 61539525660, 83078359641, 92309288490, 110771146188, 138463932735, 166156719282, 184618576980, 276927865470, 332313438564, 415391798205, 553855730940, 830783596410, 1661567192820]

約数ペア:

[(1, 1661567192820), (2, 830783596410), (3, 553855730940), (4, 415391798205), (5, 332313438564), (6, 276927865470), (9, 184618576980), (10, 166156719282), (12, 138463932735), (15, 110771146188), (18, 92309288490), (20, 83078359641), (27, 61539525660), (30, 55385573094), (36, 46154644245), (45, 36923715396), (54, 30769762830), (60, 27692786547), (81, 20513175220), (90, 18461857698), (108, 15384881415), (135, 12307905132), (162, 10256587610), (180, 9230928849), (270, 6153952566), (324, 5128293805), (405, 4102635044), (540, 3076976283), (810, 2051317522), (1620, 1025658761), (22621, 73452420), (45242, 36726210), (45341, 36646020), (67863, 24484140), (90484, 18363105), (90682, 18323010), (113105, 14690484), (135726, 12242070), (136023, 12215340), (181364, 9161505), (203589, 8161380), (226210, 7345242), (226705, 7329204), (271452, 6121035), (272046, 6107670), (339315, 4896828), (407178, 4080690), (408069, 4071780), (452420, 3672621), (453410, 3664602), (544092, 3053835), (610767, 2720460), (678630, 2448414), (680115, 2443068), (814356, 2040345), (816138, 2035890), (906820, 1832301), (1017945, 1632276), (1221534, 1360230), (1224207, 1357260)]