1789816140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:997

約数の個数: 216

約数和(自身を含む): 6345651312

約数和(自身を除く): 4555835172

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, 126, 140, 147, 180, 196, 210, 245, 252, 294, 307, 315, 420, 441, 490, 588, 614, 630, 661, 735, 882, 921, 980, 1228, 1260, 1322, 1470, 1535, 1764, 1842, 1983, 2149, 2205, 2644, 2763, 2940, 3070, 3305, 3684, 3966, 4298, 4410, 4605, 4627, 5526, 5949, 6140, 6447, 6610, 7932, 8596, 8820, 9210, 9254, 9915, 10745, 11052, 11898, 12894, 13220, 13815, 13881, 15043, 18420, 18508, 19341, 19830, 21490, 23135, 23796, 25788, 27630, 27762, 29745, 30086, 32235, 32389, 38682, 39660, 41643, 42980, 45129, 46270, 55260, 55524, 59490, 60172, 64470, 64778, 69405, 75215, 77364, 83286, 90258, 92540, 96705, 97167, 118980, 128940, 129556, 135387, 138810, 150430, 161945, 166572, 180516, 193410, 194334, 202927, 208215, 225645, 270774, 277620, 291501, 300860, 323890, 386820, 388668, 405854, 416430, 451290, 485835, 541548, 583002, 608781, 647780, 676935, 811708, 832860, 902580, 971670, 1014635, 1166004, 1217562, 1353870, 1420489, 1457505, 1826343, 1943340, 2029270, 2435124, 2707740, 2840978, 2915010, 3043905, 3652686, 4058540, 4261467, 5681956, 5830020, 6087810, 7102445, 7305372, 8522934, 9131715, 9943423, 12175620, 12784401, 14204890, 17045868, 18263430, 19886846, 21307335, 25568802, 28409780, 29830269, 36526860, 39773692, 42614670, 49717115, 51137604, 59660538, 63922005, 85229340, 89490807, 99434230, 119321076, 127844010, 149151345, 178981614, 198868460, 255688020, 298302690, 357963228, 447454035, 596605380, 894908070, 1789816140]

約数ペア:

[(1, 1789816140), (2, 894908070), (3, 596605380), (4, 447454035), (5, 357963228), (6, 298302690), (7, 255688020), (9, 198868460), (10, 178981614), (12, 149151345), (14, 127844010), (15, 119321076), (18, 99434230), (20, 89490807), (21, 85229340), (28, 63922005), (30, 59660538), (35, 51137604), (36, 49717115), (42, 42614670), (45, 39773692), (49, 36526860), (60, 29830269), (63, 28409780), (70, 25568802), (84, 21307335), (90, 19886846), (98, 18263430), (105, 17045868), (126, 14204890), (140, 12784401), (147, 12175620), (180, 9943423), (196, 9131715), (210, 8522934), (245, 7305372), (252, 7102445), (294, 6087810), (307, 5830020), (315, 5681956), (420, 4261467), (441, 4058540), (490, 3652686), (588, 3043905), (614, 2915010), (630, 2840978), (661, 2707740), (735, 2435124), (882, 2029270), (921, 1943340), (980, 1826343), (1228, 1457505), (1260, 1420489), (1322, 1353870), (1470, 1217562), (1535, 1166004), (1764, 1014635), (1842, 971670), (1983, 902580), (2149, 832860), (2205, 811708), (2644, 676935), (2763, 647780), (2940, 608781), (3070, 583002), (3305, 541548), (3684, 485835), (3966, 451290), (4298, 416430), (4410, 405854), (4605, 388668), (4627, 386820), (5526, 323890), (5949, 300860), (6140, 291501), (6447, 277620), (6610, 270774), (7932, 225645), (8596, 208215), (8820, 202927), (9210, 194334), (9254, 193410), (9915, 180516), (10745, 166572), (11052, 161945), (11898, 150430), (12894, 138810), (13220, 135387), (13815, 129556), (13881, 128940), (15043, 118980), (18420, 97167), (18508, 96705), (19341, 92540), (19830, 90258), (21490, 83286), (23135, 77364), (23796, 75215), (25788, 69405), (27630, 64778), (27762, 64470), (29745, 60172), (30086, 59490), (32235, 55524), (32389, 55260), (38682, 46270), (39660, 45129), (41643, 42980)]