321256728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2273}}^1$

素因数の和:2449

約数の個数: 96

約数和(自身を含む): 943619040

約数和(自身を除く): 622362312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 151, 156, 234, 302, 312, 453, 468, 604, 906, 936, 1208, 1359, 1812, 1963, 2273, 2718, 3624, 3926, 4546, 5436, 5889, 6819, 7852, 9092, 10872, 11778, 13638, 15704, 17667, 18184, 20457, 23556, 27276, 29549, 35334, 40914, 47112, 54552, 59098, 70668, 81828, 88647, 118196, 141336, 163656, 177294, 236392, 265941, 343223, 354588, 531882, 686446, 709176, 1029669, 1063764, 1372892, 2059338, 2127528, 2745784, 3089007, 4118676, 4461899, 6178014, 8237352, 8923798, 12356028, 13385697, 17847596, 24712056, 26771394, 35695192, 40157091, 53542788, 80314182, 107085576, 160628364, 321256728]

約数ペア:

[(1, 321256728), (2, 160628364), (3, 107085576), (4, 80314182), (6, 53542788), (8, 40157091), (9, 35695192), (12, 26771394), (13, 24712056), (18, 17847596), (24, 13385697), (26, 12356028), (36, 8923798), (39, 8237352), (52, 6178014), (72, 4461899), (78, 4118676), (104, 3089007), (117, 2745784), (151, 2127528), (156, 2059338), (234, 1372892), (302, 1063764), (312, 1029669), (453, 709176), (468, 686446), (604, 531882), (906, 354588), (936, 343223), (1208, 265941), (1359, 236392), (1812, 177294), (1963, 163656), (2273, 141336), (2718, 118196), (3624, 88647), (3926, 81828), (4546, 70668), (5436, 59098), (5889, 54552), (6819, 47112), (7852, 40914), (9092, 35334), (10872, 29549), (11778, 27276), (13638, 23556), (15704, 20457), (17667, 18184)]