642762588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 1754615520

約数和(自身を除く): 1111852932

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 53, 68, 78, 102, 106, 156, 159, 204, 212, 221, 269, 289, 318, 442, 538, 578, 636, 663, 689, 807, 867, 884, 901, 1076, 1156, 1326, 1378, 1614, 1734, 1802, 2067, 2652, 2703, 2756, 3228, 3468, 3497, 3604, 3757, 4134, 4573, 5406, 6994, 7514, 8268, 9146, 10491, 10812, 11271, 11713, 13719, 13988, 14257, 15028, 15317, 18292, 20982, 22542, 23426, 27438, 28514, 30634, 35139, 41964, 42771, 45084, 45951, 46852, 54876, 57028, 59449, 61268, 70278, 77741, 85542, 91902, 118898, 140556, 155482, 171084, 178347, 183804, 185341, 199121, 233223, 237796, 242369, 310964, 356694, 370682, 398242, 466446, 484738, 556023, 597363, 713388, 727107, 741364, 796484, 932892, 969476, 1010633, 1112046, 1194726, 1454214, 2021266, 2224092, 2389452, 2908428, 3031899, 3150797, 4042532, 4120273, 6063798, 6301594, 8240546, 9452391, 12127596, 12360819, 12603188, 16481092, 18904782, 24721638, 37809564, 49443276, 53563549, 107127098, 160690647, 214254196, 321381294, 642762588]

約数ペア:

[(1, 642762588), (2, 321381294), (3, 214254196), (4, 160690647), (6, 107127098), (12, 53563549), (13, 49443276), (17, 37809564), (26, 24721638), (34, 18904782), (39, 16481092), (51, 12603188), (52, 12360819), (53, 12127596), (68, 9452391), (78, 8240546), (102, 6301594), (106, 6063798), (156, 4120273), (159, 4042532), (204, 3150797), (212, 3031899), (221, 2908428), (269, 2389452), (289, 2224092), (318, 2021266), (442, 1454214), (538, 1194726), (578, 1112046), (636, 1010633), (663, 969476), (689, 932892), (807, 796484), (867, 741364), (884, 727107), (901, 713388), (1076, 597363), (1156, 556023), (1326, 484738), (1378, 466446), (1614, 398242), (1734, 370682), (1802, 356694), (2067, 310964), (2652, 242369), (2703, 237796), (2756, 233223), (3228, 199121), (3468, 185341), (3497, 183804), (3604, 178347), (3757, 171084), (4134, 155482), (4573, 140556), (5406, 118898), (6994, 91902), (7514, 85542), (8268, 77741), (9146, 70278), (10491, 61268), (10812, 59449), (11271, 57028), (11713, 54876), (13719, 46852), (13988, 45951), (14257, 45084), (15028, 42771), (15317, 41964), (18292, 35139), (20982, 30634), (22542, 28514), (23426, 27438)]