1561140

素因数分解:

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

素因数の和:91

約数の個数: 144

約数和(自身を含む): 5745600

約数和(自身を除く): 4184460

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, 49, 54, 59, 60, 63, 70, 84, 90, 98, 105, 108, 118, 126, 135, 140, 147, 177, 180, 189, 196, 210, 236, 245, 252, 270, 294, 295, 315, 354, 378, 413, 420, 441, 490, 531, 540, 588, 590, 630, 708, 735, 756, 826, 882, 885, 945, 980, 1062, 1180, 1239, 1260, 1323, 1470, 1593, 1652, 1764, 1770, 1890, 2065, 2124, 2205, 2478, 2646, 2655, 2891, 2940, 3186, 3540, 3717, 3780, 4130, 4410, 4956, 5292, 5310, 5782, 6195, 6372, 6615, 7434, 7965, 8260, 8673, 8820, 10620, 11151, 11564, 12390, 13230, 14455, 14868, 15930, 17346, 18585, 22302, 24780, 26019, 26460, 28910, 31860, 34692, 37170, 43365, 44604, 52038, 55755, 57820, 74340, 78057, 86730, 104076, 111510, 130095, 156114, 173460, 223020, 260190, 312228, 390285, 520380, 780570, 1561140]

約数ペア:

[(1, 1561140), (2, 780570), (3, 520380), (4, 390285), (5, 312228), (6, 260190), (7, 223020), (9, 173460), (10, 156114), (12, 130095), (14, 111510), (15, 104076), (18, 86730), (20, 78057), (21, 74340), (27, 57820), (28, 55755), (30, 52038), (35, 44604), (36, 43365), (42, 37170), (45, 34692), (49, 31860), (54, 28910), (59, 26460), (60, 26019), (63, 24780), (70, 22302), (84, 18585), (90, 17346), (98, 15930), (105, 14868), (108, 14455), (118, 13230), (126, 12390), (135, 11564), (140, 11151), (147, 10620), (177, 8820), (180, 8673), (189, 8260), (196, 7965), (210, 7434), (236, 6615), (245, 6372), (252, 6195), (270, 5782), (294, 5310), (295, 5292), (315, 4956), (354, 4410), (378, 4130), (413, 3780), (420, 3717), (441, 3540), (490, 3186), (531, 2940), (540, 2891), (588, 2655), (590, 2646), (630, 2478), (708, 2205), (735, 2124), (756, 2065), (826, 1890), (882, 1770), (885, 1764), (945, 1652), (980, 1593), (1062, 1470), (1180, 1323), (1239, 1260)]