85662920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 146580280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 139, 140, 142, 155, 217, 248, 278, 280, 284, 310, 355, 434, 497, 556, 568, 620, 695, 710, 868, 973, 994, 1085, 1112, 1240, 1390, 1420, 1736, 1946, 1988, 2170, 2201, 2485, 2780, 2840, 3892, 3976, 4309, 4340, 4402, 4865, 4970, 5560, 7784, 8618, 8680, 8804, 9730, 9869, 9940, 11005, 15407, 17236, 17608, 19460, 19738, 19880, 21545, 22010, 30163, 30814, 34472, 38920, 39476, 43090, 44020, 49345, 60326, 61628, 69083, 77035, 78952, 86180, 88040, 98690, 120652, 123256, 138166, 150815, 154070, 172360, 197380, 241304, 276332, 301630, 305939, 308140, 345415, 394760, 552664, 603260, 611878, 616280, 690830, 1206520, 1223756, 1381660, 1529695, 2141573, 2447512, 2763320, 3059390, 4283146, 6118780, 8566292, 10707865, 12237560, 17132584, 21415730, 42831460, 85662920]

約数ペア:

[(1, 85662920), (2, 42831460), (4, 21415730), (5, 17132584), (7, 12237560), (8, 10707865), (10, 8566292), (14, 6118780), (20, 4283146), (28, 3059390), (31, 2763320), (35, 2447512), (40, 2141573), (56, 1529695), (62, 1381660), (70, 1223756), (71, 1206520), (124, 690830), (139, 616280), (140, 611878), (142, 603260), (155, 552664), (217, 394760), (248, 345415), (278, 308140), (280, 305939), (284, 301630), (310, 276332), (355, 241304), (434, 197380), (497, 172360), (556, 154070), (568, 150815), (620, 138166), (695, 123256), (710, 120652), (868, 98690), (973, 88040), (994, 86180), (1085, 78952), (1112, 77035), (1240, 69083), (1390, 61628), (1420, 60326), (1736, 49345), (1946, 44020), (1988, 43090), (2170, 39476), (2201, 38920), (2485, 34472), (2780, 30814), (2840, 30163), (3892, 22010), (3976, 21545), (4309, 19880), (4340, 19738), (4402, 19460), (4865, 17608), (4970, 17236), (5560, 15407), (7784, 11005), (8618, 9940), (8680, 9869), (8804, 9730)]