720748392

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{631}}^1$

素因数の和:1183

約数の個数: 128

約数和(自身を含む): 2225448960

約数和(自身を除く): 1504700568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 523, 546, 631, 728, 1046, 1092, 1262, 1569, 1893, 2092, 2184, 2524, 3138, 3661, 3786, 4184, 4417, 5048, 6276, 6799, 7322, 7572, 8203, 8834, 10983, 12552, 13251, 13598, 14644, 15144, 16406, 17668, 20397, 21966, 24609, 26502, 27196, 29288, 32812, 35336, 40794, 43932, 47593, 49218, 53004, 54392, 57421, 65624, 81588, 87864, 95186, 98436, 106008, 114842, 142779, 163176, 172263, 190372, 196872, 229684, 285558, 330013, 344526, 380744, 459368, 571116, 660026, 689052, 990039, 1142232, 1320052, 1378104, 1980078, 2310091, 2640104, 3960156, 4290169, 4620182, 6930273, 7920312, 8580338, 9240364, 12870507, 13860546, 17160676, 18480728, 25741014, 27721092, 30031183, 34321352, 51482028, 55442184, 60062366, 90093549, 102964056, 120124732, 180187098, 240249464, 360374196, 720748392]

約数ペア:

[(1, 720748392), (2, 360374196), (3, 240249464), (4, 180187098), (6, 120124732), (7, 102964056), (8, 90093549), (12, 60062366), (13, 55442184), (14, 51482028), (21, 34321352), (24, 30031183), (26, 27721092), (28, 25741014), (39, 18480728), (42, 17160676), (52, 13860546), (56, 12870507), (78, 9240364), (84, 8580338), (91, 7920312), (104, 6930273), (156, 4620182), (168, 4290169), (182, 3960156), (273, 2640104), (312, 2310091), (364, 1980078), (523, 1378104), (546, 1320052), (631, 1142232), (728, 990039), (1046, 689052), (1092, 660026), (1262, 571116), (1569, 459368), (1893, 380744), (2092, 344526), (2184, 330013), (2524, 285558), (3138, 229684), (3661, 196872), (3786, 190372), (4184, 172263), (4417, 163176), (5048, 142779), (6276, 114842), (6799, 106008), (7322, 98436), (7572, 95186), (8203, 87864), (8834, 81588), (10983, 65624), (12552, 57421), (13251, 54392), (13598, 53004), (14644, 49218), (15144, 47593), (16406, 43932), (17668, 40794), (20397, 35336), (21966, 32812), (24609, 29288), (26502, 27196)]