128880780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:828

約数の個数: 144

約数和(自身を含む): 427472640

約数和(自身を除く): 298591860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 118, 140, 147, 177, 196, 210, 236, 245, 294, 295, 354, 413, 420, 490, 588, 590, 708, 735, 743, 826, 885, 980, 1180, 1239, 1470, 1486, 1652, 1770, 2065, 2229, 2478, 2891, 2940, 2972, 3540, 3715, 4130, 4458, 4956, 5201, 5782, 6195, 7430, 8260, 8673, 8916, 10402, 11145, 11564, 12390, 14455, 14860, 15603, 17346, 20804, 22290, 24780, 26005, 28910, 31206, 34692, 36407, 43365, 43837, 44580, 52010, 57820, 62412, 72814, 78015, 86730, 87674, 104020, 109221, 131511, 145628, 156030, 173460, 175348, 182035, 218442, 219185, 263022, 306859, 312060, 364070, 436884, 438370, 526044, 546105, 613718, 657555, 728140, 876740, 920577, 1092210, 1227436, 1315110, 1534295, 1841154, 2148013, 2184420, 2630220, 3068590, 3682308, 4296026, 4602885, 6137180, 6444039, 8592052, 9205770, 10740065, 12888078, 18411540, 21480130, 25776156, 32220195, 42960260, 64440390, 128880780]

約数ペア:

[(1, 128880780), (2, 64440390), (3, 42960260), (4, 32220195), (5, 25776156), (6, 21480130), (7, 18411540), (10, 12888078), (12, 10740065), (14, 9205770), (15, 8592052), (20, 6444039), (21, 6137180), (28, 4602885), (30, 4296026), (35, 3682308), (42, 3068590), (49, 2630220), (59, 2184420), (60, 2148013), (70, 1841154), (84, 1534295), (98, 1315110), (105, 1227436), (118, 1092210), (140, 920577), (147, 876740), (177, 728140), (196, 657555), (210, 613718), (236, 546105), (245, 526044), (294, 438370), (295, 436884), (354, 364070), (413, 312060), (420, 306859), (490, 263022), (588, 219185), (590, 218442), (708, 182035), (735, 175348), (743, 173460), (826, 156030), (885, 145628), (980, 131511), (1180, 109221), (1239, 104020), (1470, 87674), (1486, 86730), (1652, 78015), (1770, 72814), (2065, 62412), (2229, 57820), (2478, 52010), (2891, 44580), (2940, 43837), (2972, 43365), (3540, 36407), (3715, 34692), (4130, 31206), (4458, 28910), (4956, 26005), (5201, 24780), (5782, 22290), (6195, 20804), (7430, 17346), (8260, 15603), (8673, 14860), (8916, 14455), (10402, 12390), (11145, 11564)]