28958580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 105799680

約数和(自身を除く): 76841100

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, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 126, 135, 140, 141, 163, 180, 188, 189, 210, 235, 252, 270, 282, 315, 326, 329, 378, 420, 423, 470, 489, 540, 564, 630, 652, 658, 705, 756, 815, 846, 940, 945, 978, 987, 1141, 1260, 1269, 1316, 1410, 1467, 1630, 1645, 1692, 1890, 1956, 1974, 2115, 2282, 2445, 2538, 2820, 2934, 2961, 3260, 3290, 3423, 3780, 3948, 4230, 4401, 4564, 4890, 4935, 5076, 5705, 5868, 5922, 6345, 6580, 6846, 7335, 7661, 8460, 8802, 8883, 9780, 9870, 10269, 11410, 11844, 12690, 13692, 14670, 14805, 15322, 17115, 17604, 17766, 19740, 20538, 22005, 22820, 22983, 25380, 29340, 29610, 30644, 30807, 34230, 35532, 38305, 41076, 44010, 44415, 45966, 51345, 53627, 59220, 61614, 68460, 68949, 76610, 88020, 88830, 91932, 102690, 107254, 114915, 123228, 137898, 153220, 154035, 160881, 177660, 205380, 206847, 214508, 229830, 268135, 275796, 308070, 321762, 344745, 413694, 459660, 482643, 536270, 616140, 643524, 689490, 804405, 827388, 965286, 1034235, 1072540, 1378980, 1447929, 1608810, 1930572, 2068470, 2413215, 2895858, 3217620, 4136940, 4826430, 5791716, 7239645, 9652860, 14479290, 28958580]

約数ペア:

[(1, 28958580), (2, 14479290), (3, 9652860), (4, 7239645), (5, 5791716), (6, 4826430), (7, 4136940), (9, 3217620), (10, 2895858), (12, 2413215), (14, 2068470), (15, 1930572), (18, 1608810), (20, 1447929), (21, 1378980), (27, 1072540), (28, 1034235), (30, 965286), (35, 827388), (36, 804405), (42, 689490), (45, 643524), (47, 616140), (54, 536270), (60, 482643), (63, 459660), (70, 413694), (84, 344745), (90, 321762), (94, 308070), (105, 275796), (108, 268135), (126, 229830), (135, 214508), (140, 206847), (141, 205380), (163, 177660), (180, 160881), (188, 154035), (189, 153220), (210, 137898), (235, 123228), (252, 114915), (270, 107254), (282, 102690), (315, 91932), (326, 88830), (329, 88020), (378, 76610), (420, 68949), (423, 68460), (470, 61614), (489, 59220), (540, 53627), (564, 51345), (630, 45966), (652, 44415), (658, 44010), (705, 41076), (756, 38305), (815, 35532), (846, 34230), (940, 30807), (945, 30644), (978, 29610), (987, 29340), (1141, 25380), (1260, 22983), (1269, 22820), (1316, 22005), (1410, 20538), (1467, 19740), (1630, 17766), (1645, 17604), (1692, 17115), (1890, 15322), (1956, 14805), (1974, 14670), (2115, 13692), (2282, 12690), (2445, 11844), (2538, 11410), (2820, 10269), (2934, 9870), (2961, 9780), (3260, 8883), (3290, 8802), (3423, 8460), (3780, 7661), (3948, 7335), (4230, 6846), (4401, 6580), (4564, 6345), (4890, 5922), (4935, 5868), (5076, 5705)]