256467180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 739952640

約数和(自身を除く): 483485460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 79, 122, 158, 183, 237, 244, 305, 316, 366, 395, 474, 610, 732, 790, 887, 915, 948, 1185, 1220, 1580, 1774, 1830, 2370, 2661, 3548, 3660, 4435, 4740, 4819, 5322, 8870, 9638, 10644, 13305, 14457, 17740, 19276, 24095, 26610, 28914, 48190, 53220, 54107, 57828, 70073, 72285, 96380, 108214, 140146, 144570, 162321, 210219, 216428, 270535, 280292, 289140, 324642, 350365, 420438, 541070, 649284, 700730, 811605, 840876, 1051095, 1082140, 1401460, 1623210, 2102190, 3246420, 4204380, 4274453, 8548906, 12823359, 17097812, 21372265, 25646718, 42744530, 51293436, 64116795, 85489060, 128233590, 256467180]

約数ペア:

[(1, 256467180), (2, 128233590), (3, 85489060), (4, 64116795), (5, 51293436), (6, 42744530), (10, 25646718), (12, 21372265), (15, 17097812), (20, 12823359), (30, 8548906), (60, 4274453), (61, 4204380), (79, 3246420), (122, 2102190), (158, 1623210), (183, 1401460), (237, 1082140), (244, 1051095), (305, 840876), (316, 811605), (366, 700730), (395, 649284), (474, 541070), (610, 420438), (732, 350365), (790, 324642), (887, 289140), (915, 280292), (948, 270535), (1185, 216428), (1220, 210219), (1580, 162321), (1774, 144570), (1830, 140146), (2370, 108214), (2661, 96380), (3548, 72285), (3660, 70073), (4435, 57828), (4740, 54107), (4819, 53220), (5322, 48190), (8870, 28914), (9638, 26610), (10644, 24095), (13305, 19276), (14457, 17740)]