161121636

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 467445888

約数和(自身を除く): 306324252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 41, 52, 54, 78, 81, 82, 108, 117, 123, 156, 162, 164, 234, 243, 246, 311, 324, 351, 369, 468, 486, 492, 533, 622, 702, 738, 933, 972, 1053, 1066, 1107, 1244, 1404, 1476, 1599, 1866, 2106, 2132, 2214, 2799, 3159, 3198, 3321, 3732, 4043, 4212, 4428, 4797, 5598, 6318, 6396, 6642, 8086, 8397, 9594, 9963, 11196, 12129, 12636, 12751, 13284, 14391, 16172, 16794, 19188, 19926, 24258, 25191, 25502, 28782, 33588, 36387, 38253, 39852, 43173, 48516, 50382, 51004, 57564, 72774, 75573, 76506, 86346, 100764, 109161, 114759, 129519, 145548, 151146, 153012, 165763, 172692, 218322, 229518, 259038, 302292, 327483, 331526, 344277, 436644, 459036, 497289, 518076, 654966, 663052, 688554, 982449, 994578, 1032831, 1309932, 1377108, 1491867, 1964898, 1989156, 2065662, 2983734, 3098493, 3929796, 4131324, 4475601, 5967468, 6196986, 8951202, 12393972, 13426803, 17902404, 26853606, 40280409, 53707212, 80560818, 161121636]

約数ペア:

[(1, 161121636), (2, 80560818), (3, 53707212), (4, 40280409), (6, 26853606), (9, 17902404), (12, 13426803), (13, 12393972), (18, 8951202), (26, 6196986), (27, 5967468), (36, 4475601), (39, 4131324), (41, 3929796), (52, 3098493), (54, 2983734), (78, 2065662), (81, 1989156), (82, 1964898), (108, 1491867), (117, 1377108), (123, 1309932), (156, 1032831), (162, 994578), (164, 982449), (234, 688554), (243, 663052), (246, 654966), (311, 518076), (324, 497289), (351, 459036), (369, 436644), (468, 344277), (486, 331526), (492, 327483), (533, 302292), (622, 259038), (702, 229518), (738, 218322), (933, 172692), (972, 165763), (1053, 153012), (1066, 151146), (1107, 145548), (1244, 129519), (1404, 114759), (1476, 109161), (1599, 100764), (1866, 86346), (2106, 76506), (2132, 75573), (2214, 72774), (2799, 57564), (3159, 51004), (3198, 50382), (3321, 48516), (3732, 43173), (4043, 39852), (4212, 38253), (4428, 36387), (4797, 33588), (5598, 28782), (6318, 25502), (6396, 25191), (6642, 24258), (8086, 19926), (8397, 19188), (9594, 16794), (9963, 16172), (11196, 14391), (12129, 13284), (12636, 12751)]