25320780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 81454464

約数和(自身を除く): 56133684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 47, 60, 73, 82, 90, 94, 123, 141, 146, 164, 180, 188, 205, 219, 235, 246, 282, 292, 365, 369, 410, 423, 438, 470, 492, 564, 615, 657, 705, 730, 738, 820, 846, 876, 940, 1095, 1230, 1314, 1410, 1460, 1476, 1692, 1845, 1927, 2115, 2190, 2460, 2628, 2820, 2993, 3285, 3431, 3690, 3854, 4230, 4380, 5781, 5986, 6570, 6862, 7380, 7708, 8460, 8979, 9635, 10293, 11562, 11972, 13140, 13724, 14965, 17155, 17343, 17958, 19270, 20586, 23124, 26937, 28905, 29930, 30879, 34310, 34686, 35916, 38540, 41172, 44895, 51465, 53874, 57810, 59860, 61758, 68620, 69372, 86715, 89790, 102930, 107748, 115620, 123516, 134685, 140671, 154395, 173430, 179580, 205860, 269370, 281342, 308790, 346860, 422013, 538740, 562684, 617580, 703355, 844026, 1266039, 1406710, 1688052, 2110065, 2532078, 2813420, 4220130, 5064156, 6330195, 8440260, 12660390, 25320780]

約数ペア:

[(1, 25320780), (2, 12660390), (3, 8440260), (4, 6330195), (5, 5064156), (6, 4220130), (9, 2813420), (10, 2532078), (12, 2110065), (15, 1688052), (18, 1406710), (20, 1266039), (30, 844026), (36, 703355), (41, 617580), (45, 562684), (47, 538740), (60, 422013), (73, 346860), (82, 308790), (90, 281342), (94, 269370), (123, 205860), (141, 179580), (146, 173430), (164, 154395), (180, 140671), (188, 134685), (205, 123516), (219, 115620), (235, 107748), (246, 102930), (282, 89790), (292, 86715), (365, 69372), (369, 68620), (410, 61758), (423, 59860), (438, 57810), (470, 53874), (492, 51465), (564, 44895), (615, 41172), (657, 38540), (705, 35916), (730, 34686), (738, 34310), (820, 30879), (846, 29930), (876, 28905), (940, 26937), (1095, 23124), (1230, 20586), (1314, 19270), (1410, 17958), (1460, 17343), (1476, 17155), (1692, 14965), (1845, 13724), (1927, 13140), (2115, 11972), (2190, 11562), (2460, 10293), (2628, 9635), (2820, 8979), (2993, 8460), (3285, 7708), (3431, 7380), (3690, 6862), (3854, 6570), (4230, 5986), (4380, 5781)]