87880520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3487

約数の個数: 96

約数和(自身を含む): 247779000

約数和(自身を除く): 159898480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3449, 3640, 5096, 6370, 6898, 12740, 13796, 17245, 24143, 25480, 27592, 34490, 44837, 48286, 68980, 89674, 96572, 120715, 137960, 169001, 179348, 193144, 224185, 241430, 313859, 338002, 358696, 448370, 482860, 627718, 676004, 845005, 896740, 965720, 1255436, 1352008, 1569295, 1690010, 1793480, 2197013, 2510872, 3138590, 3380020, 4394026, 6277180, 6760040, 8788052, 10985065, 12554360, 17576104, 21970130, 43940260, 87880520]

約数ペア:

[(1, 87880520), (2, 43940260), (4, 21970130), (5, 17576104), (7, 12554360), (8, 10985065), (10, 8788052), (13, 6760040), (14, 6277180), (20, 4394026), (26, 3380020), (28, 3138590), (35, 2510872), (40, 2197013), (49, 1793480), (52, 1690010), (56, 1569295), (65, 1352008), (70, 1255436), (91, 965720), (98, 896740), (104, 845005), (130, 676004), (140, 627718), (182, 482860), (196, 448370), (245, 358696), (260, 338002), (280, 313859), (364, 241430), (392, 224185), (455, 193144), (490, 179348), (520, 169001), (637, 137960), (728, 120715), (910, 96572), (980, 89674), (1274, 68980), (1820, 48286), (1960, 44837), (2548, 34490), (3185, 27592), (3449, 25480), (3640, 24143), (5096, 17245), (6370, 13796), (6898, 12740)]