64911780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2395

約数の個数: 120

約数和(自身を含む): 215700408

約数和(自身を除く): 150788628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2357, 2754, 3060, 4590, 4714, 5508, 6885, 7071, 9180, 9428, 11785, 13770, 14142, 21213, 23570, 27540, 28284, 35355, 40069, 42426, 47140, 63639, 70710, 80138, 84852, 106065, 120207, 127278, 141420, 160276, 190917, 200345, 212130, 240414, 254556, 318195, 360621, 381834, 400690, 424260, 480828, 601035, 636390, 721242, 763668, 801380, 954585, 1081863, 1202070, 1272780, 1442484, 1803105, 1909170, 2163726, 2404140, 3245589, 3606210, 3818340, 4327452, 5409315, 6491178, 7212420, 10818630, 12982356, 16227945, 21637260, 32455890, 64911780]

約数ペア:

[(1, 64911780), (2, 32455890), (3, 21637260), (4, 16227945), (5, 12982356), (6, 10818630), (9, 7212420), (10, 6491178), (12, 5409315), (15, 4327452), (17, 3818340), (18, 3606210), (20, 3245589), (27, 2404140), (30, 2163726), (34, 1909170), (36, 1803105), (45, 1442484), (51, 1272780), (54, 1202070), (60, 1081863), (68, 954585), (81, 801380), (85, 763668), (90, 721242), (102, 636390), (108, 601035), (135, 480828), (153, 424260), (162, 400690), (170, 381834), (180, 360621), (204, 318195), (255, 254556), (270, 240414), (306, 212130), (324, 200345), (340, 190917), (405, 160276), (459, 141420), (510, 127278), (540, 120207), (612, 106065), (765, 84852), (810, 80138), (918, 70710), (1020, 63639), (1377, 47140), (1530, 42426), (1620, 40069), (1836, 35355), (2295, 28284), (2357, 27540), (2754, 23570), (3060, 21213), (4590, 14142), (4714, 13770), (5508, 11785), (6885, 9428), (7071, 9180)]