643991491728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{40949}}^1$

素因数の和:41278

約数の個数: 240

約数和(自身を含む): 2010971289600

約数和(自身を除く): 1366979797872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 271, 279, 312, 372, 403, 468, 496, 542, 558, 624, 744, 806, 813, 936, 1084, 1116, 1209, 1488, 1612, 1626, 1872, 2168, 2232, 2418, 2439, 3224, 3252, 3523, 3627, 4336, 4464, 4836, 4878, 6448, 6504, 7046, 7254, 8401, 9672, 9756, 10569, 13008, 14092, 14508, 16802, 19344, 19512, 21138, 25203, 28184, 29016, 31707, 33604, 39024, 40949, 42276, 50406, 56368, 58032, 63414, 67208, 75609, 81898, 84552, 100812, 109213, 122847, 126828, 134416, 151218, 163796, 169104, 201624, 218426, 245694, 253656, 302436, 327592, 327639, 368541, 403248, 436852, 491388, 507312, 532337, 604872, 655184, 655278, 737082, 873704, 982776, 982917, 1064674, 1209744, 1269419, 1310556, 1474164, 1597011, 1747408, 1965552, 1965834, 2129348, 2538838, 2621112, 2948328, 3194022, 3808257, 3931668, 4258696, 4791033, 5077676, 5242224, 5896656, 6388044, 7616514, 7863336, 8517392, 9582066, 10155352, 11097179, 11424771, 12776088, 15233028, 15726672, 16502447, 19164132, 20310704, 22194358, 22849542, 25552176, 30466056, 33004894, 33291537, 38328264, 44388716, 45699084, 49507341, 60932112, 66009788, 66583074, 76656528, 88777432, 91398168, 99014682, 99874611, 132019576, 133166148, 144263327, 148522023, 177554864, 182796336, 198029364, 199749222, 264039152, 266332296, 288526654, 297044046, 344012549, 396058728, 399498444, 432789981, 532664592, 577053308, 594088092, 688025098, 792117456, 798996888, 865579962, 1032037647, 1154106616, 1188176184, 1298369943, 1376050196, 1597993776, 1731159924, 2064075294, 2308213232, 2376352368, 2596739886, 2752100392, 3096112941, 3462319848, 4128150588, 4472163137, 5193479772, 5504200784, 6192225882, 6924639696, 8256301176, 8944326274, 10386959544, 12384451764, 13416489411, 16512602352, 17888652548, 20773919088, 24768903528, 26832978822, 35777305096, 40249468233, 49537807056, 53665957644, 71554610192, 80498936466, 107331915288, 160997872932, 214663830576, 321995745864, 643991491728]

約数ペア:

[(1, 643991491728), (2, 321995745864), (3, 214663830576), (4, 160997872932), (6, 107331915288), (8, 80498936466), (9, 71554610192), (12, 53665957644), (13, 49537807056), (16, 40249468233), (18, 35777305096), (24, 26832978822), (26, 24768903528), (31, 20773919088), (36, 17888652548), (39, 16512602352), (48, 13416489411), (52, 12384451764), (62, 10386959544), (72, 8944326274), (78, 8256301176), (93, 6924639696), (104, 6192225882), (117, 5504200784), (124, 5193479772), (144, 4472163137), (156, 4128150588), (186, 3462319848), (208, 3096112941), (234, 2752100392), (248, 2596739886), (271, 2376352368), (279, 2308213232), (312, 2064075294), (372, 1731159924), (403, 1597993776), (468, 1376050196), (496, 1298369943), (542, 1188176184), (558, 1154106616), (624, 1032037647), (744, 865579962), (806, 798996888), (813, 792117456), (936, 688025098), (1084, 594088092), (1116, 577053308), (1209, 532664592), (1488, 432789981), (1612, 399498444), (1626, 396058728), (1872, 344012549), (2168, 297044046), (2232, 288526654), (2418, 266332296), (2439, 264039152), (3224, 199749222), (3252, 198029364), (3523, 182796336), (3627, 177554864), (4336, 148522023), (4464, 144263327), (4836, 133166148), (4878, 132019576), (6448, 99874611), (6504, 99014682), (7046, 91398168), (7254, 88777432), (8401, 76656528), (9672, 66583074), (9756, 66009788), (10569, 60932112), (13008, 49507341), (14092, 45699084), (14508, 44388716), (16802, 38328264), (19344, 33291537), (19512, 33004894), (21138, 30466056), (25203, 25552176), (28184, 22849542), (29016, 22194358), (31707, 20310704), (33604, 19164132), (39024, 16502447), (40949, 15726672), (42276, 15233028), (50406, 12776088), (56368, 11424771), (58032, 11097179), (63414, 10155352), (67208, 9582066), (75609, 8517392), (81898, 7863336), (84552, 7616514), (100812, 6388044), (109213, 5896656), (122847, 5242224), (126828, 5077676), (134416, 4791033), (151218, 4258696), (163796, 3931668), (169104, 3808257), (201624, 3194022), (218426, 2948328), (245694, 2621112), (253656, 2538838), (302436, 2129348), (327592, 1965834), (327639, 1965552), (368541, 1747408), (403248, 1597011), (436852, 1474164), (491388, 1310556), (507312, 1269419), (532337, 1209744), (604872, 1064674), (655184, 982917), (655278, 982776), (737082, 873704)]