642441072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7741}}^1$

素因数の和:7791

約数の個数: 160

約数和(自身を含む): 2150417920

約数和(自身を除く): 1507976848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 38, 39, 42, 48, 52, 56, 57, 76, 78, 84, 91, 104, 112, 114, 133, 152, 156, 168, 182, 208, 228, 247, 266, 273, 304, 312, 336, 364, 399, 456, 494, 532, 546, 624, 728, 741, 798, 912, 988, 1064, 1092, 1456, 1482, 1596, 1729, 1976, 2128, 2184, 2964, 3192, 3458, 3952, 4368, 5187, 5928, 6384, 6916, 7741, 10374, 11856, 13832, 15482, 20748, 23223, 27664, 30964, 41496, 46446, 54187, 61928, 82992, 92892, 100633, 108374, 123856, 147079, 162561, 185784, 201266, 216748, 294158, 301899, 325122, 371568, 402532, 433496, 441237, 588316, 603798, 650244, 704431, 805064, 866992, 882474, 1029553, 1176632, 1207596, 1300488, 1408862, 1610128, 1764948, 1912027, 2059106, 2113293, 2353264, 2415192, 2600976, 2817724, 3088659, 3529896, 3824054, 4118212, 4226586, 4830384, 5635448, 5736081, 6177318, 7059792, 7648108, 8236424, 8453172, 11270896, 11472162, 12354636, 13384189, 15296216, 16472848, 16906344, 22944324, 24709272, 26768378, 30592432, 33812688, 40152567, 45888648, 49418544, 53536756, 80305134, 91777296, 107073512, 160610268, 214147024, 321220536, 642441072]

約数ペア:

[(1, 642441072), (2, 321220536), (3, 214147024), (4, 160610268), (6, 107073512), (7, 91777296), (8, 80305134), (12, 53536756), (13, 49418544), (14, 45888648), (16, 40152567), (19, 33812688), (21, 30592432), (24, 26768378), (26, 24709272), (28, 22944324), (38, 16906344), (39, 16472848), (42, 15296216), (48, 13384189), (52, 12354636), (56, 11472162), (57, 11270896), (76, 8453172), (78, 8236424), (84, 7648108), (91, 7059792), (104, 6177318), (112, 5736081), (114, 5635448), (133, 4830384), (152, 4226586), (156, 4118212), (168, 3824054), (182, 3529896), (208, 3088659), (228, 2817724), (247, 2600976), (266, 2415192), (273, 2353264), (304, 2113293), (312, 2059106), (336, 1912027), (364, 1764948), (399, 1610128), (456, 1408862), (494, 1300488), (532, 1207596), (546, 1176632), (624, 1029553), (728, 882474), (741, 866992), (798, 805064), (912, 704431), (988, 650244), (1064, 603798), (1092, 588316), (1456, 441237), (1482, 433496), (1596, 402532), (1729, 371568), (1976, 325122), (2128, 301899), (2184, 294158), (2964, 216748), (3192, 201266), (3458, 185784), (3952, 162561), (4368, 147079), (5187, 123856), (5928, 108374), (6384, 100633), (6916, 92892), (7741, 82992), (10374, 61928), (11856, 54187), (13832, 46446), (15482, 41496), (20748, 30964), (23223, 27664)]