2048700780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2269

約数の個数: 216

約数和(自身を含む): 7298731440

約数和(自身を除く): 5250030660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 109, 126, 140, 147, 180, 196, 210, 218, 245, 252, 294, 315, 327, 420, 436, 441, 490, 545, 588, 630, 654, 735, 763, 882, 980, 981, 1090, 1260, 1308, 1470, 1526, 1635, 1764, 1962, 2131, 2180, 2205, 2289, 2940, 3052, 3270, 3815, 3924, 4262, 4410, 4578, 4905, 5341, 6393, 6540, 6867, 7630, 8524, 8820, 9156, 9810, 10655, 10682, 11445, 12786, 13734, 14917, 15260, 16023, 19179, 19620, 21310, 21364, 22890, 25572, 26705, 27468, 29834, 31965, 32046, 34335, 38358, 42620, 44751, 45780, 48069, 53410, 59668, 63930, 64092, 68670, 74585, 76716, 80115, 89502, 95895, 96138, 104419, 106820, 127860, 134253, 137340, 149170, 160230, 179004, 191790, 192276, 208838, 223755, 232279, 240345, 268506, 298340, 313257, 320460, 383580, 417676, 447510, 464558, 480690, 522095, 537012, 626514, 671265, 696837, 895020, 929116, 939771, 961380, 1044190, 1161395, 1253028, 1342530, 1393674, 1566285, 1625953, 1879542, 2088380, 2090511, 2322790, 2685060, 2787348, 3132570, 3251906, 3484185, 3759084, 4181022, 4645580, 4698855, 4877859, 6265140, 6503812, 6968370, 8129765, 8362044, 9397710, 9755718, 10452555, 11381671, 13936740, 14633577, 16259530, 18795420, 19511436, 20905110, 22763342, 24389295, 29267154, 32519060, 34145013, 41810220, 45526684, 48778590, 56908355, 58534308, 68290026, 73167885, 97557180, 102435039, 113816710, 136580052, 146335770, 170725065, 204870078, 227633420, 292671540, 341450130, 409740156, 512175195, 682900260, 1024350390, 2048700780]

約数ペア:

[(1, 2048700780), (2, 1024350390), (3, 682900260), (4, 512175195), (5, 409740156), (6, 341450130), (7, 292671540), (9, 227633420), (10, 204870078), (12, 170725065), (14, 146335770), (15, 136580052), (18, 113816710), (20, 102435039), (21, 97557180), (28, 73167885), (30, 68290026), (35, 58534308), (36, 56908355), (42, 48778590), (45, 45526684), (49, 41810220), (60, 34145013), (63, 32519060), (70, 29267154), (84, 24389295), (90, 22763342), (98, 20905110), (105, 19511436), (109, 18795420), (126, 16259530), (140, 14633577), (147, 13936740), (180, 11381671), (196, 10452555), (210, 9755718), (218, 9397710), (245, 8362044), (252, 8129765), (294, 6968370), (315, 6503812), (327, 6265140), (420, 4877859), (436, 4698855), (441, 4645580), (490, 4181022), (545, 3759084), (588, 3484185), (630, 3251906), (654, 3132570), (735, 2787348), (763, 2685060), (882, 2322790), (980, 2090511), (981, 2088380), (1090, 1879542), (1260, 1625953), (1308, 1566285), (1470, 1393674), (1526, 1342530), (1635, 1253028), (1764, 1161395), (1962, 1044190), (2131, 961380), (2180, 939771), (2205, 929116), (2289, 895020), (2940, 696837), (3052, 671265), (3270, 626514), (3815, 537012), (3924, 522095), (4262, 480690), (4410, 464558), (4578, 447510), (4905, 417676), (5341, 383580), (6393, 320460), (6540, 313257), (6867, 298340), (7630, 268506), (8524, 240345), (8820, 232279), (9156, 223755), (9810, 208838), (10655, 192276), (10682, 191790), (11445, 179004), (12786, 160230), (13734, 149170), (14917, 137340), (15260, 134253), (16023, 127860), (19179, 106820), (19620, 104419), (21310, 96138), (21364, 95895), (22890, 89502), (25572, 80115), (26705, 76716), (27468, 74585), (29834, 68670), (31965, 64092), (32046, 63930), (34335, 59668), (38358, 53410), (42620, 48069), (44751, 45780)]