85641640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 233280000

約数和(自身を除く): 147638360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 53, 56, 58, 70, 106, 116, 140, 145, 199, 203, 212, 232, 265, 280, 290, 371, 398, 406, 424, 530, 580, 742, 796, 812, 995, 1015, 1060, 1160, 1393, 1484, 1537, 1592, 1624, 1855, 1990, 2030, 2120, 2786, 2968, 3074, 3710, 3980, 4060, 5572, 5771, 6148, 6965, 7420, 7685, 7960, 8120, 10547, 10759, 11144, 11542, 12296, 13930, 14840, 15370, 21094, 21518, 23084, 27860, 28855, 30740, 40397, 42188, 43036, 46168, 52735, 53795, 55720, 57710, 61480, 73829, 80794, 84376, 86072, 105470, 107590, 115420, 147658, 161588, 201985, 210940, 215180, 230840, 295316, 305863, 323176, 369145, 403970, 421880, 430360, 590632, 611726, 738290, 807940, 1223452, 1476580, 1529315, 1615880, 2141041, 2446904, 2953160, 3058630, 4282082, 6117260, 8564164, 10705205, 12234520, 17128328, 21410410, 42820820, 85641640]

約数ペア:

[(1, 85641640), (2, 42820820), (4, 21410410), (5, 17128328), (7, 12234520), (8, 10705205), (10, 8564164), (14, 6117260), (20, 4282082), (28, 3058630), (29, 2953160), (35, 2446904), (40, 2141041), (53, 1615880), (56, 1529315), (58, 1476580), (70, 1223452), (106, 807940), (116, 738290), (140, 611726), (145, 590632), (199, 430360), (203, 421880), (212, 403970), (232, 369145), (265, 323176), (280, 305863), (290, 295316), (371, 230840), (398, 215180), (406, 210940), (424, 201985), (530, 161588), (580, 147658), (742, 115420), (796, 107590), (812, 105470), (995, 86072), (1015, 84376), (1060, 80794), (1160, 73829), (1393, 61480), (1484, 57710), (1537, 55720), (1592, 53795), (1624, 52735), (1855, 46168), (1990, 43036), (2030, 42188), (2120, 40397), (2786, 30740), (2968, 28855), (3074, 27860), (3710, 23084), (3980, 21518), (4060, 21094), (5572, 15370), (5771, 14840), (6148, 13930), (6965, 12296), (7420, 11542), (7685, 11144), (7960, 10759), (8120, 10547)]