85220240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4960

約数の個数: 80

約数和(自身を含む): 233794560

約数和(自身を除く): 148574320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4909, 8680, 9818, 17360, 19636, 24545, 34363, 39272, 49090, 68726, 78544, 98180, 137452, 152179, 171815, 196360, 274904, 304358, 343630, 392720, 549808, 608716, 687260, 760895, 1065253, 1217432, 1374520, 1521790, 2130506, 2434864, 2749040, 3043580, 4261012, 5326265, 6087160, 8522024, 10652530, 12174320, 17044048, 21305060, 42610120, 85220240]

約数ペア:

[(1, 85220240), (2, 42610120), (4, 21305060), (5, 17044048), (7, 12174320), (8, 10652530), (10, 8522024), (14, 6087160), (16, 5326265), (20, 4261012), (28, 3043580), (31, 2749040), (35, 2434864), (40, 2130506), (56, 1521790), (62, 1374520), (70, 1217432), (80, 1065253), (112, 760895), (124, 687260), (140, 608716), (155, 549808), (217, 392720), (248, 343630), (280, 304358), (310, 274904), (434, 196360), (496, 171815), (560, 152179), (620, 137452), (868, 98180), (1085, 78544), (1240, 68726), (1736, 49090), (2170, 39272), (2480, 34363), (3472, 24545), (4340, 19636), (4909, 17360), (8680, 9818)]