728775528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 2042880000

約数和(自身を除く): 1314104472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 151, 156, 186, 248, 302, 312, 372, 403, 453, 499, 604, 744, 806, 906, 998, 1208, 1209, 1497, 1612, 1812, 1963, 1996, 2418, 2994, 3224, 3624, 3926, 3992, 4681, 4836, 5889, 5988, 6487, 7852, 9362, 9672, 11778, 11976, 12974, 14043, 15469, 15704, 18724, 19461, 23556, 25948, 28086, 30938, 37448, 38922, 46407, 47112, 51896, 56172, 60853, 61876, 75349, 77844, 92814, 112344, 121706, 123752, 150698, 155688, 182559, 185628, 201097, 226047, 243412, 301396, 365118, 371256, 402194, 452094, 486824, 602792, 603291, 730236, 804388, 904188, 979537, 1206582, 1460472, 1608776, 1808376, 1959074, 2335819, 2413164, 2938611, 3918148, 4671638, 4826328, 5877222, 7007457, 7836296, 9343276, 11754444, 14014914, 18686552, 23508888, 28029828, 30365647, 56059656, 60731294, 91096941, 121462588, 182193882, 242925176, 364387764, 728775528]

約数ペア:

[(1, 728775528), (2, 364387764), (3, 242925176), (4, 182193882), (6, 121462588), (8, 91096941), (12, 60731294), (13, 56059656), (24, 30365647), (26, 28029828), (31, 23508888), (39, 18686552), (52, 14014914), (62, 11754444), (78, 9343276), (93, 7836296), (104, 7007457), (124, 5877222), (151, 4826328), (156, 4671638), (186, 3918148), (248, 2938611), (302, 2413164), (312, 2335819), (372, 1959074), (403, 1808376), (453, 1608776), (499, 1460472), (604, 1206582), (744, 979537), (806, 904188), (906, 804388), (998, 730236), (1208, 603291), (1209, 602792), (1497, 486824), (1612, 452094), (1812, 402194), (1963, 371256), (1996, 365118), (2418, 301396), (2994, 243412), (3224, 226047), (3624, 201097), (3926, 185628), (3992, 182559), (4681, 155688), (4836, 150698), (5889, 123752), (5988, 121706), (6487, 112344), (7852, 92814), (9362, 77844), (9672, 75349), (11778, 61876), (11976, 60853), (12974, 56172), (14043, 51896), (15469, 47112), (15704, 46407), (18724, 38922), (19461, 37448), (23556, 30938), (25948, 28086)]