1213380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{107}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 4390848

約数和(自身を除く): 3177468

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, 70, 81, 84, 90, 105, 107, 108, 126, 135, 140, 162, 180, 189, 210, 214, 252, 270, 315, 321, 324, 378, 405, 420, 428, 535, 540, 567, 630, 642, 749, 756, 810, 945, 963, 1070, 1134, 1260, 1284, 1498, 1605, 1620, 1890, 1926, 2140, 2247, 2268, 2835, 2889, 2996, 3210, 3745, 3780, 3852, 4494, 4815, 5670, 5778, 6420, 6741, 7490, 8667, 8988, 9630, 11235, 11340, 11556, 13482, 14445, 14980, 17334, 19260, 20223, 22470, 26964, 28890, 33705, 34668, 40446, 43335, 44940, 57780, 60669, 67410, 80892, 86670, 101115, 121338, 134820, 173340, 202230, 242676, 303345, 404460, 606690, 1213380]

約数ペア:

[(1, 1213380), (2, 606690), (3, 404460), (4, 303345), (5, 242676), (6, 202230), (7, 173340), (9, 134820), (10, 121338), (12, 101115), (14, 86670), (15, 80892), (18, 67410), (20, 60669), (21, 57780), (27, 44940), (28, 43335), (30, 40446), (35, 34668), (36, 33705), (42, 28890), (45, 26964), (54, 22470), (60, 20223), (63, 19260), (70, 17334), (81, 14980), (84, 14445), (90, 13482), (105, 11556), (107, 11340), (108, 11235), (126, 9630), (135, 8988), (140, 8667), (162, 7490), (180, 6741), (189, 6420), (210, 5778), (214, 5670), (252, 4815), (270, 4494), (315, 3852), (321, 3780), (324, 3745), (378, 3210), (405, 2996), (420, 2889), (428, 2835), (535, 2268), (540, 2247), (567, 2140), (630, 1926), (642, 1890), (749, 1620), (756, 1605), (810, 1498), (945, 1284), (963, 1260), (1070, 1134)]