1640797560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13687}}^1$

素因数の和:13747

約数の個数: 160

約数和(自身を含む): 5664368160

約数和(自身を除く): 4023570600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 666, 740, 810, 888, 999, 1080, 1110, 1332, 1480, 1620, 1665, 1998, 2220, 2664, 2997, 3240, 3330, 3996, 4440, 4995, 5994, 6660, 7992, 9990, 11988, 13320, 13687, 14985, 19980, 23976, 27374, 29970, 39960, 41061, 54748, 59940, 68435, 82122, 109496, 119880, 123183, 136870, 164244, 205305, 246366, 273740, 328488, 369549, 410610, 492732, 506419, 547480, 615915, 739098, 821220, 985464, 1012838, 1108647, 1231830, 1478196, 1519257, 1642440, 1847745, 2025676, 2217294, 2463660, 2532095, 2956392, 3038514, 3695490, 4051352, 4434588, 4557771, 4927320, 5064190, 5543235, 6077028, 7390980, 7596285, 8869176, 9115542, 10128380, 11086470, 12154056, 13673313, 14781960, 15192570, 18231084, 20256760, 22172940, 22788855, 27346626, 30385140, 36462168, 41019939, 44345880, 45577710, 54693252, 60770280, 68366565, 82039878, 91155420, 109386504, 136733130, 164079756, 182310840, 205099695, 273466260, 328159512, 410199390, 546932520, 820398780, 1640797560]

約数ペア:

[(1, 1640797560), (2, 820398780), (3, 546932520), (4, 410199390), (5, 328159512), (6, 273466260), (8, 205099695), (9, 182310840), (10, 164079756), (12, 136733130), (15, 109386504), (18, 91155420), (20, 82039878), (24, 68366565), (27, 60770280), (30, 54693252), (36, 45577710), (37, 44345880), (40, 41019939), (45, 36462168), (54, 30385140), (60, 27346626), (72, 22788855), (74, 22172940), (81, 20256760), (90, 18231084), (108, 15192570), (111, 14781960), (120, 13673313), (135, 12154056), (148, 11086470), (162, 10128380), (180, 9115542), (185, 8869176), (216, 7596285), (222, 7390980), (270, 6077028), (296, 5543235), (324, 5064190), (333, 4927320), (360, 4557771), (370, 4434588), (405, 4051352), (444, 3695490), (540, 3038514), (555, 2956392), (648, 2532095), (666, 2463660), (740, 2217294), (810, 2025676), (888, 1847745), (999, 1642440), (1080, 1519257), (1110, 1478196), (1332, 1231830), (1480, 1108647), (1620, 1012838), (1665, 985464), (1998, 821220), (2220, 739098), (2664, 615915), (2997, 547480), (3240, 506419), (3330, 492732), (3996, 410610), (4440, 369549), (4995, 328488), (5994, 273740), (6660, 246366), (7992, 205305), (9990, 164244), (11988, 136870), (13320, 123183), (13687, 119880), (14985, 109496), (19980, 82122), (23976, 68435), (27374, 59940), (29970, 54748), (39960, 41061)]