30306780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 106928640

約数和(自身を除く): 76621860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 335, 359, 402, 420, 469, 603, 630, 670, 718, 804, 938, 1005, 1077, 1206, 1260, 1340, 1407, 1436, 1795, 1876, 2010, 2154, 2345, 2412, 2513, 2814, 3015, 3231, 3590, 4020, 4221, 4308, 4690, 5026, 5385, 5628, 6030, 6462, 7035, 7180, 7539, 8442, 9380, 10052, 10770, 12060, 12565, 12924, 14070, 15078, 16155, 16884, 21105, 21540, 22617, 24053, 25130, 28140, 30156, 32310, 37695, 42210, 45234, 48106, 50260, 64620, 72159, 75390, 84420, 90468, 96212, 113085, 120265, 144318, 150780, 168371, 216477, 226170, 240530, 288636, 336742, 360795, 432954, 452340, 481060, 505113, 673484, 721590, 841855, 865908, 1010226, 1082385, 1443180, 1515339, 1683710, 2020452, 2164770, 2525565, 3030678, 3367420, 4329540, 5051130, 6061356, 7576695, 10102260, 15153390, 30306780]

約数ペア:

[(1, 30306780), (2, 15153390), (3, 10102260), (4, 7576695), (5, 6061356), (6, 5051130), (7, 4329540), (9, 3367420), (10, 3030678), (12, 2525565), (14, 2164770), (15, 2020452), (18, 1683710), (20, 1515339), (21, 1443180), (28, 1082385), (30, 1010226), (35, 865908), (36, 841855), (42, 721590), (45, 673484), (60, 505113), (63, 481060), (67, 452340), (70, 432954), (84, 360795), (90, 336742), (105, 288636), (126, 240530), (134, 226170), (140, 216477), (180, 168371), (201, 150780), (210, 144318), (252, 120265), (268, 113085), (315, 96212), (335, 90468), (359, 84420), (402, 75390), (420, 72159), (469, 64620), (603, 50260), (630, 48106), (670, 45234), (718, 42210), (804, 37695), (938, 32310), (1005, 30156), (1077, 28140), (1206, 25130), (1260, 24053), (1340, 22617), (1407, 21540), (1436, 21105), (1795, 16884), (1876, 16155), (2010, 15078), (2154, 14070), (2345, 12924), (2412, 12565), (2513, 12060), (2814, 10770), (3015, 10052), (3231, 9380), (3590, 8442), (4020, 7539), (4221, 7180), (4308, 7035), (4690, 6462), (5026, 6030), (5385, 5628)]