7458780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 25280640

約数和(自身を除く): 17821860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 59, 60, 70, 84, 86, 98, 105, 118, 129, 140, 147, 172, 177, 196, 210, 215, 236, 245, 258, 294, 295, 301, 354, 413, 420, 430, 490, 516, 588, 590, 602, 645, 708, 735, 826, 860, 885, 903, 980, 1180, 1204, 1239, 1290, 1470, 1505, 1652, 1770, 1806, 2065, 2107, 2478, 2537, 2580, 2891, 2940, 3010, 3540, 3612, 4130, 4214, 4515, 4956, 5074, 5782, 6020, 6195, 6321, 7611, 8260, 8428, 8673, 9030, 10148, 10535, 11564, 12390, 12642, 12685, 14455, 15222, 17346, 17759, 18060, 21070, 24780, 25284, 25370, 28910, 30444, 31605, 34692, 35518, 38055, 42140, 43365, 50740, 53277, 57820, 63210, 71036, 76110, 86730, 88795, 106554, 124313, 126420, 152220, 173460, 177590, 213108, 248626, 266385, 355180, 372939, 497252, 532770, 621565, 745878, 1065540, 1243130, 1491756, 1864695, 2486260, 3729390, 7458780]

約数ペア:

[(1, 7458780), (2, 3729390), (3, 2486260), (4, 1864695), (5, 1491756), (6, 1243130), (7, 1065540), (10, 745878), (12, 621565), (14, 532770), (15, 497252), (20, 372939), (21, 355180), (28, 266385), (30, 248626), (35, 213108), (42, 177590), (43, 173460), (49, 152220), (59, 126420), (60, 124313), (70, 106554), (84, 88795), (86, 86730), (98, 76110), (105, 71036), (118, 63210), (129, 57820), (140, 53277), (147, 50740), (172, 43365), (177, 42140), (196, 38055), (210, 35518), (215, 34692), (236, 31605), (245, 30444), (258, 28910), (294, 25370), (295, 25284), (301, 24780), (354, 21070), (413, 18060), (420, 17759), (430, 17346), (490, 15222), (516, 14455), (588, 12685), (590, 12642), (602, 12390), (645, 11564), (708, 10535), (735, 10148), (826, 9030), (860, 8673), (885, 8428), (903, 8260), (980, 7611), (1180, 6321), (1204, 6195), (1239, 6020), (1290, 5782), (1470, 5074), (1505, 4956), (1652, 4515), (1770, 4214), (1806, 4130), (2065, 3612), (2107, 3540), (2478, 3010), (2537, 2940), (2580, 2891)]