16880520

素因数分解:

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

素因数の和:175

約数の個数: 128

約数和(自身を含む): 53706240

約数和(自身を除く): 36825720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 47, 60, 73, 82, 94, 120, 123, 141, 146, 164, 188, 205, 219, 235, 246, 282, 292, 328, 365, 376, 410, 438, 470, 492, 564, 584, 615, 705, 730, 820, 876, 940, 984, 1095, 1128, 1230, 1410, 1460, 1640, 1752, 1880, 1927, 2190, 2460, 2820, 2920, 2993, 3431, 3854, 4380, 4920, 5640, 5781, 5986, 6862, 7708, 8760, 8979, 9635, 10293, 11562, 11972, 13724, 14965, 15416, 17155, 17958, 19270, 20586, 23124, 23944, 27448, 28905, 29930, 34310, 35916, 38540, 41172, 44895, 46248, 51465, 57810, 59860, 68620, 71832, 77080, 82344, 89790, 102930, 115620, 119720, 137240, 140671, 179580, 205860, 231240, 281342, 359160, 411720, 422013, 562684, 703355, 844026, 1125368, 1406710, 1688052, 2110065, 2813420, 3376104, 4220130, 5626840, 8440260, 16880520]

約数ペア:

[(1, 16880520), (2, 8440260), (3, 5626840), (4, 4220130), (5, 3376104), (6, 2813420), (8, 2110065), (10, 1688052), (12, 1406710), (15, 1125368), (20, 844026), (24, 703355), (30, 562684), (40, 422013), (41, 411720), (47, 359160), (60, 281342), (73, 231240), (82, 205860), (94, 179580), (120, 140671), (123, 137240), (141, 119720), (146, 115620), (164, 102930), (188, 89790), (205, 82344), (219, 77080), (235, 71832), (246, 68620), (282, 59860), (292, 57810), (328, 51465), (365, 46248), (376, 44895), (410, 41172), (438, 38540), (470, 35916), (492, 34310), (564, 29930), (584, 28905), (615, 27448), (705, 23944), (730, 23124), (820, 20586), (876, 19270), (940, 17958), (984, 17155), (1095, 15416), (1128, 14965), (1230, 13724), (1410, 11972), (1460, 11562), (1640, 10293), (1752, 9635), (1880, 8979), (1927, 8760), (2190, 7708), (2460, 6862), (2820, 5986), (2920, 5781), (2993, 5640), (3431, 4920), (3854, 4380)]