445312140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81559}}^1$

素因数の和:81591

約数の個数: 96

約数和(自身を含む): 1534632960

約数和(自身を除く): 1089320820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 81559, 163118, 244677, 326236, 407795, 489354, 570913, 815590, 978708, 1060267, 1141826, 1223385, 1631180, 1712739, 2120534, 2283652, 2446770, 2854565, 3180801, 3425478, 4241068, 4893540, 5301335, 5709130, 6361602, 6850956, 7421869, 8563695, 10602670, 11418260, 12723204, 14843738, 15904005, 17127390, 21205340, 22265607, 29687476, 31808010, 34254780, 37109345, 44531214, 63616020, 74218690, 89062428, 111328035, 148437380, 222656070, 445312140]

約数ペア:

[(1, 445312140), (2, 222656070), (3, 148437380), (4, 111328035), (5, 89062428), (6, 74218690), (7, 63616020), (10, 44531214), (12, 37109345), (13, 34254780), (14, 31808010), (15, 29687476), (20, 22265607), (21, 21205340), (26, 17127390), (28, 15904005), (30, 14843738), (35, 12723204), (39, 11418260), (42, 10602670), (52, 8563695), (60, 7421869), (65, 6850956), (70, 6361602), (78, 5709130), (84, 5301335), (91, 4893540), (105, 4241068), (130, 3425478), (140, 3180801), (156, 2854565), (182, 2446770), (195, 2283652), (210, 2120534), (260, 1712739), (273, 1631180), (364, 1223385), (390, 1141826), (420, 1060267), (455, 978708), (546, 815590), (780, 570913), (910, 489354), (1092, 407795), (1365, 326236), (1820, 244677), (2730, 163118), (5460, 81559)]