81872550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5869}}^1$

素因数の和:5918

約数の個数: 72

約数和(自身を含む): 227098560

約数和(自身を除く): 145226010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1550, 2325, 2790, 4650, 5869, 6975, 11738, 13950, 17607, 29345, 35214, 52821, 58690, 88035, 105642, 146725, 176070, 181939, 264105, 293450, 363878, 440175, 528210, 545817, 880350, 909695, 1091634, 1320525, 1637451, 1819390, 2641050, 2729085, 3274902, 4548475, 5458170, 8187255, 9096950, 13645425, 16374510, 27290850, 40936275, 81872550]

約数ペア:

[(1, 81872550), (2, 40936275), (3, 27290850), (5, 16374510), (6, 13645425), (9, 9096950), (10, 8187255), (15, 5458170), (18, 4548475), (25, 3274902), (30, 2729085), (31, 2641050), (45, 1819390), (50, 1637451), (62, 1320525), (75, 1091634), (90, 909695), (93, 880350), (150, 545817), (155, 528210), (186, 440175), (225, 363878), (279, 293450), (310, 264105), (450, 181939), (465, 176070), (558, 146725), (775, 105642), (930, 88035), (1395, 58690), (1550, 52821), (2325, 35214), (2790, 29345), (4650, 17607), (5869, 13950), (6975, 11738)]