30919140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 109444608

約数和(自身を除く): 78525468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 463, 477, 530, 630, 636, 742, 795, 926, 954, 1060, 1113, 1260, 1389, 1484, 1590, 1852, 1855, 1908, 2226, 2315, 2385, 2778, 3180, 3241, 3339, 3710, 4167, 4452, 4630, 4770, 5556, 5565, 6482, 6678, 6945, 7420, 8334, 9260, 9540, 9723, 11130, 12964, 13356, 13890, 16205, 16668, 16695, 19446, 20835, 22260, 24539, 27780, 29169, 32410, 33390, 38892, 41670, 48615, 49078, 58338, 64820, 66780, 73617, 83340, 97230, 98156, 116676, 122695, 145845, 147234, 171773, 194460, 220851, 245390, 291690, 294468, 343546, 368085, 441702, 490780, 515319, 583380, 687092, 736170, 858865, 883404, 1030638, 1104255, 1472340, 1545957, 1717730, 2061276, 2208510, 2576595, 3091914, 3435460, 4417020, 5153190, 6183828, 7729785, 10306380, 15459570, 30919140]

約数ペア:

[(1, 30919140), (2, 15459570), (3, 10306380), (4, 7729785), (5, 6183828), (6, 5153190), (7, 4417020), (9, 3435460), (10, 3091914), (12, 2576595), (14, 2208510), (15, 2061276), (18, 1717730), (20, 1545957), (21, 1472340), (28, 1104255), (30, 1030638), (35, 883404), (36, 858865), (42, 736170), (45, 687092), (53, 583380), (60, 515319), (63, 490780), (70, 441702), (84, 368085), (90, 343546), (105, 294468), (106, 291690), (126, 245390), (140, 220851), (159, 194460), (180, 171773), (210, 147234), (212, 145845), (252, 122695), (265, 116676), (315, 98156), (318, 97230), (371, 83340), (420, 73617), (463, 66780), (477, 64820), (530, 58338), (630, 49078), (636, 48615), (742, 41670), (795, 38892), (926, 33390), (954, 32410), (1060, 29169), (1113, 27780), (1260, 24539), (1389, 22260), (1484, 20835), (1590, 19446), (1852, 16695), (1855, 16668), (1908, 16205), (2226, 13890), (2315, 13356), (2385, 12964), (2778, 11130), (3180, 9723), (3241, 9540), (3339, 9260), (3710, 8334), (4167, 7420), (4452, 6945), (4630, 6678), (4770, 6482), (5556, 5565)]