15499890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 32884110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 59, 63, 70, 90, 105, 118, 126, 135, 139, 177, 189, 210, 270, 278, 295, 315, 354, 378, 413, 417, 531, 590, 630, 695, 826, 834, 885, 945, 973, 1062, 1239, 1251, 1390, 1593, 1770, 1890, 1946, 2065, 2085, 2478, 2502, 2655, 2919, 3186, 3717, 3753, 4130, 4170, 4865, 5310, 5838, 6195, 6255, 7434, 7506, 7965, 8201, 8757, 9730, 11151, 12390, 12510, 14595, 15930, 16402, 17514, 18585, 18765, 22302, 24603, 26271, 29190, 37170, 37530, 41005, 43785, 49206, 52542, 55755, 57407, 73809, 82010, 87570, 111510, 114814, 123015, 131355, 147618, 172221, 221427, 246030, 262710, 287035, 344442, 369045, 442854, 516663, 574070, 738090, 861105, 1033326, 1107135, 1549989, 1722210, 2214270, 2583315, 3099978, 5166630, 7749945, 15499890]

約数ペア:

[(1, 15499890), (2, 7749945), (3, 5166630), (5, 3099978), (6, 2583315), (7, 2214270), (9, 1722210), (10, 1549989), (14, 1107135), (15, 1033326), (18, 861105), (21, 738090), (27, 574070), (30, 516663), (35, 442854), (42, 369045), (45, 344442), (54, 287035), (59, 262710), (63, 246030), (70, 221427), (90, 172221), (105, 147618), (118, 131355), (126, 123015), (135, 114814), (139, 111510), (177, 87570), (189, 82010), (210, 73809), (270, 57407), (278, 55755), (295, 52542), (315, 49206), (354, 43785), (378, 41005), (413, 37530), (417, 37170), (531, 29190), (590, 26271), (630, 24603), (695, 22302), (826, 18765), (834, 18585), (885, 17514), (945, 16402), (973, 15930), (1062, 14595), (1239, 12510), (1251, 12390), (1390, 11151), (1593, 9730), (1770, 8757), (1890, 8201), (1946, 7965), (2065, 7506), (2085, 7434), (2478, 6255), (2502, 6195), (2655, 5838), (2919, 5310), (3186, 4865), (3717, 4170), (3753, 4130)]