30261420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 110545344

約数和(自身を除く): 80283924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 73, 84, 90, 94, 98, 105, 126, 140, 141, 146, 147, 180, 188, 196, 210, 219, 235, 245, 252, 282, 292, 294, 315, 329, 365, 420, 423, 438, 441, 470, 490, 511, 564, 588, 630, 657, 658, 705, 730, 735, 846, 876, 882, 940, 980, 987, 1022, 1095, 1260, 1314, 1316, 1410, 1460, 1470, 1533, 1645, 1692, 1764, 1974, 2044, 2115, 2190, 2205, 2303, 2555, 2628, 2820, 2940, 2961, 3066, 3285, 3290, 3431, 3577, 3948, 4230, 4380, 4410, 4599, 4606, 4935, 5110, 5922, 6132, 6570, 6580, 6862, 6909, 7154, 7665, 8460, 8820, 9198, 9212, 9870, 10220, 10293, 10731, 11515, 11844, 13140, 13724, 13818, 14308, 14805, 15330, 17155, 17885, 18396, 19740, 20586, 20727, 21462, 22995, 23030, 24017, 27636, 29610, 30660, 30879, 32193, 34310, 34545, 35770, 41172, 41454, 42924, 45990, 46060, 48034, 51465, 53655, 59220, 61758, 64386, 68620, 69090, 71540, 72051, 82908, 91980, 96068, 102930, 103635, 107310, 120085, 123516, 128772, 138180, 144102, 154395, 160965, 168119, 205860, 207270, 214620, 216153, 240170, 288204, 308790, 321930, 336238, 360255, 414540, 432306, 480340, 504357, 617580, 643860, 672476, 720510, 840595, 864612, 1008714, 1080765, 1441020, 1513071, 1681190, 2017428, 2161530, 2521785, 3026142, 3362380, 4323060, 5043570, 6052284, 7565355, 10087140, 15130710, 30261420]

約数ペア:

[(1, 30261420), (2, 15130710), (3, 10087140), (4, 7565355), (5, 6052284), (6, 5043570), (7, 4323060), (9, 3362380), (10, 3026142), (12, 2521785), (14, 2161530), (15, 2017428), (18, 1681190), (20, 1513071), (21, 1441020), (28, 1080765), (30, 1008714), (35, 864612), (36, 840595), (42, 720510), (45, 672476), (47, 643860), (49, 617580), (60, 504357), (63, 480340), (70, 432306), (73, 414540), (84, 360255), (90, 336238), (94, 321930), (98, 308790), (105, 288204), (126, 240170), (140, 216153), (141, 214620), (146, 207270), (147, 205860), (180, 168119), (188, 160965), (196, 154395), (210, 144102), (219, 138180), (235, 128772), (245, 123516), (252, 120085), (282, 107310), (292, 103635), (294, 102930), (315, 96068), (329, 91980), (365, 82908), (420, 72051), (423, 71540), (438, 69090), (441, 68620), (470, 64386), (490, 61758), (511, 59220), (564, 53655), (588, 51465), (630, 48034), (657, 46060), (658, 45990), (705, 42924), (730, 41454), (735, 41172), (846, 35770), (876, 34545), (882, 34310), (940, 32193), (980, 30879), (987, 30660), (1022, 29610), (1095, 27636), (1260, 24017), (1314, 23030), (1316, 22995), (1410, 21462), (1460, 20727), (1470, 20586), (1533, 19740), (1645, 18396), (1692, 17885), (1764, 17155), (1974, 15330), (2044, 14805), (2115, 14308), (2190, 13818), (2205, 13724), (2303, 13140), (2555, 11844), (2628, 11515), (2820, 10731), (2940, 10293), (2961, 10220), (3066, 9870), (3285, 9212), (3290, 9198), (3431, 8820), (3577, 8460), (3948, 7665), (4230, 7154), (4380, 6909), (4410, 6862), (4599, 6580), (4606, 6570), (4935, 6132), (5110, 5922)]