81395730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1052

約数の個数: 96

約数和(自身を含む): 231272496

約数和(自身を除く): 149876766

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 73, 78, 90, 117, 130, 146, 195, 219, 234, 365, 390, 438, 585, 657, 730, 949, 953, 1095, 1170, 1314, 1898, 1906, 2190, 2847, 2859, 3285, 4745, 4765, 5694, 5718, 6570, 8541, 8577, 9490, 9530, 12389, 14235, 14295, 17082, 17154, 24778, 28470, 28590, 37167, 42705, 42885, 61945, 69569, 74334, 85410, 85770, 111501, 123890, 139138, 185835, 208707, 223002, 347845, 371670, 417414, 557505, 626121, 695690, 904397, 1043535, 1115010, 1252242, 1808794, 2087070, 2713191, 3130605, 4521985, 5426382, 6261210, 8139573, 9043970, 13565955, 16279146, 27131910, 40697865, 81395730]

約数ペア:

[(1, 81395730), (2, 40697865), (3, 27131910), (5, 16279146), (6, 13565955), (9, 9043970), (10, 8139573), (13, 6261210), (15, 5426382), (18, 4521985), (26, 3130605), (30, 2713191), (39, 2087070), (45, 1808794), (65, 1252242), (73, 1115010), (78, 1043535), (90, 904397), (117, 695690), (130, 626121), (146, 557505), (195, 417414), (219, 371670), (234, 347845), (365, 223002), (390, 208707), (438, 185835), (585, 139138), (657, 123890), (730, 111501), (949, 85770), (953, 85410), (1095, 74334), (1170, 69569), (1314, 61945), (1898, 42885), (1906, 42705), (2190, 37167), (2847, 28590), (2859, 28470), (3285, 24778), (4745, 17154), (4765, 17082), (5694, 14295), (5718, 14235), (6570, 12389), (8541, 9530), (8577, 9490)]