8787660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 29175216

約数和(自身を除く): 20387556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 343, 366, 420, 427, 490, 588, 610, 686, 732, 735, 854, 915, 980, 1029, 1220, 1281, 1372, 1470, 1708, 1715, 1830, 2058, 2135, 2401, 2562, 2940, 2989, 3430, 3660, 4116, 4270, 4802, 5124, 5145, 5978, 6405, 6860, 7203, 8540, 8967, 9604, 10290, 11956, 12005, 12810, 14406, 14945, 17934, 20580, 20923, 24010, 25620, 28812, 29890, 35868, 36015, 41846, 44835, 48020, 59780, 62769, 72030, 83692, 89670, 104615, 125538, 144060, 146461, 179340, 209230, 251076, 292922, 313845, 418460, 439383, 585844, 627690, 732305, 878766, 1255380, 1464610, 1757532, 2196915, 2929220, 4393830, 8787660]

約数ペア:

[(1, 8787660), (2, 4393830), (3, 2929220), (4, 2196915), (5, 1757532), (6, 1464610), (7, 1255380), (10, 878766), (12, 732305), (14, 627690), (15, 585844), (20, 439383), (21, 418460), (28, 313845), (30, 292922), (35, 251076), (42, 209230), (49, 179340), (60, 146461), (61, 144060), (70, 125538), (84, 104615), (98, 89670), (105, 83692), (122, 72030), (140, 62769), (147, 59780), (183, 48020), (196, 44835), (210, 41846), (244, 36015), (245, 35868), (294, 29890), (305, 28812), (343, 25620), (366, 24010), (420, 20923), (427, 20580), (490, 17934), (588, 14945), (610, 14406), (686, 12810), (732, 12005), (735, 11956), (854, 10290), (915, 9604), (980, 8967), (1029, 8540), (1220, 7203), (1281, 6860), (1372, 6405), (1470, 5978), (1708, 5145), (1715, 5124), (1830, 4802), (2058, 4270), (2135, 4116), (2401, 3660), (2562, 3430), (2940, 2989)]