30999780

素因数分解:

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

素因数の和:223

約数の個数: 192

約数和(自身を含む): 112896000

約数和(自身を除く): 81896220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 59, 60, 63, 70, 84, 90, 105, 108, 118, 126, 135, 139, 140, 177, 180, 189, 210, 236, 252, 270, 278, 295, 315, 354, 378, 413, 417, 420, 531, 540, 556, 590, 630, 695, 708, 756, 826, 834, 885, 945, 973, 1062, 1180, 1239, 1251, 1260, 1390, 1593, 1652, 1668, 1770, 1890, 1946, 2065, 2085, 2124, 2478, 2502, 2655, 2780, 2919, 3186, 3540, 3717, 3753, 3780, 3892, 4130, 4170, 4865, 4956, 5004, 5310, 5838, 6195, 6255, 6372, 7434, 7506, 7965, 8201, 8260, 8340, 8757, 9730, 10620, 11151, 11676, 12390, 12510, 14595, 14868, 15012, 15930, 16402, 17514, 18585, 18765, 19460, 22302, 24603, 24780, 25020, 26271, 29190, 31860, 32804, 35028, 37170, 37530, 41005, 43785, 44604, 49206, 52542, 55755, 57407, 58380, 73809, 74340, 75060, 82010, 87570, 98412, 105084, 111510, 114814, 123015, 131355, 147618, 164020, 172221, 175140, 221427, 223020, 229628, 246030, 262710, 287035, 295236, 344442, 369045, 442854, 492060, 516663, 525420, 574070, 688884, 738090, 861105, 885708, 1033326, 1107135, 1148140, 1476180, 1549989, 1722210, 2066652, 2214270, 2583315, 3099978, 3444420, 4428540, 5166630, 6199956, 7749945, 10333260, 15499890, 30999780]

約数ペア:

[(1, 30999780), (2, 15499890), (3, 10333260), (4, 7749945), (5, 6199956), (6, 5166630), (7, 4428540), (9, 3444420), (10, 3099978), (12, 2583315), (14, 2214270), (15, 2066652), (18, 1722210), (20, 1549989), (21, 1476180), (27, 1148140), (28, 1107135), (30, 1033326), (35, 885708), (36, 861105), (42, 738090), (45, 688884), (54, 574070), (59, 525420), (60, 516663), (63, 492060), (70, 442854), (84, 369045), (90, 344442), (105, 295236), (108, 287035), (118, 262710), (126, 246030), (135, 229628), (139, 223020), (140, 221427), (177, 175140), (180, 172221), (189, 164020), (210, 147618), (236, 131355), (252, 123015), (270, 114814), (278, 111510), (295, 105084), (315, 98412), (354, 87570), (378, 82010), (413, 75060), (417, 74340), (420, 73809), (531, 58380), (540, 57407), (556, 55755), (590, 52542), (630, 49206), (695, 44604), (708, 43785), (756, 41005), (826, 37530), (834, 37170), (885, 35028), (945, 32804), (973, 31860), (1062, 29190), (1180, 26271), (1239, 25020), (1251, 24780), (1260, 24603), (1390, 22302), (1593, 19460), (1652, 18765), (1668, 18585), (1770, 17514), (1890, 16402), (1946, 15930), (2065, 15012), (2085, 14868), (2124, 14595), (2478, 12510), (2502, 12390), (2655, 11676), (2780, 11151), (2919, 10620), (3186, 9730), (3540, 8757), (3717, 8340), (3753, 8260), (3780, 8201), (3892, 7965), (4130, 7506), (4170, 7434), (4865, 6372), (4956, 6255), (5004, 6195), (5310, 5838)]