28618380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 104186880

約数和(自身を除く): 75568500

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, 60, 63, 67, 70, 84, 90, 105, 108, 113, 126, 134, 135, 140, 180, 189, 201, 210, 226, 252, 268, 270, 315, 335, 339, 378, 402, 420, 452, 469, 540, 565, 603, 630, 670, 678, 756, 791, 804, 938, 945, 1005, 1017, 1130, 1206, 1260, 1340, 1356, 1407, 1582, 1695, 1809, 1876, 1890, 2010, 2034, 2260, 2345, 2373, 2412, 2814, 3015, 3051, 3164, 3390, 3618, 3780, 3955, 4020, 4068, 4221, 4690, 4746, 5085, 5628, 6030, 6102, 6780, 7035, 7119, 7236, 7571, 7910, 8442, 9045, 9380, 9492, 10170, 11865, 12060, 12204, 12663, 14070, 14238, 15142, 15255, 15820, 16884, 18090, 20340, 21105, 21357, 22713, 23730, 25326, 28140, 28476, 30284, 30510, 35595, 36180, 37855, 42210, 42714, 45426, 47460, 50652, 52997, 61020, 63315, 68139, 71190, 75710, 84420, 85428, 90852, 105994, 106785, 113565, 126630, 136278, 142380, 151420, 158991, 204417, 211988, 213570, 227130, 253260, 264985, 272556, 317982, 340695, 408834, 427140, 454260, 476973, 529970, 635964, 681390, 794955, 817668, 953946, 1022085, 1059940, 1362780, 1430919, 1589910, 1907892, 2044170, 2384865, 2861838, 3179820, 4088340, 4769730, 5723676, 7154595, 9539460, 14309190, 28618380]

約数ペア:

[(1, 28618380), (2, 14309190), (3, 9539460), (4, 7154595), (5, 5723676), (6, 4769730), (7, 4088340), (9, 3179820), (10, 2861838), (12, 2384865), (14, 2044170), (15, 1907892), (18, 1589910), (20, 1430919), (21, 1362780), (27, 1059940), (28, 1022085), (30, 953946), (35, 817668), (36, 794955), (42, 681390), (45, 635964), (54, 529970), (60, 476973), (63, 454260), (67, 427140), (70, 408834), (84, 340695), (90, 317982), (105, 272556), (108, 264985), (113, 253260), (126, 227130), (134, 213570), (135, 211988), (140, 204417), (180, 158991), (189, 151420), (201, 142380), (210, 136278), (226, 126630), (252, 113565), (268, 106785), (270, 105994), (315, 90852), (335, 85428), (339, 84420), (378, 75710), (402, 71190), (420, 68139), (452, 63315), (469, 61020), (540, 52997), (565, 50652), (603, 47460), (630, 45426), (670, 42714), (678, 42210), (756, 37855), (791, 36180), (804, 35595), (938, 30510), (945, 30284), (1005, 28476), (1017, 28140), (1130, 25326), (1206, 23730), (1260, 22713), (1340, 21357), (1356, 21105), (1407, 20340), (1582, 18090), (1695, 16884), (1809, 15820), (1876, 15255), (1890, 15142), (2010, 14238), (2034, 14070), (2260, 12663), (2345, 12204), (2373, 12060), (2412, 11865), (2814, 10170), (3015, 9492), (3051, 9380), (3164, 9045), (3390, 8442), (3618, 7910), (3780, 7571), (3955, 7236), (4020, 7119), (4068, 7035), (4221, 6780), (4690, 6102), (4746, 6030), (5085, 5628)]