81813030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 223727616

約数和(自身を除く): 141914586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 67, 78, 93, 101, 130, 134, 155, 186, 195, 201, 202, 303, 310, 335, 390, 402, 403, 465, 505, 606, 670, 806, 871, 930, 1005, 1010, 1209, 1313, 1515, 1742, 2010, 2015, 2077, 2418, 2613, 2626, 3030, 3131, 3939, 4030, 4154, 4355, 5226, 6045, 6231, 6262, 6565, 6767, 7878, 8710, 9393, 10385, 12090, 12462, 13065, 13130, 13534, 15655, 18786, 19695, 20301, 20770, 26130, 27001, 31155, 31310, 33835, 39390, 40602, 40703, 46965, 54002, 62310, 67670, 81003, 81406, 87971, 93930, 101505, 122109, 135005, 162006, 175942, 203010, 203515, 209777, 244218, 263913, 270010, 405015, 407030, 419554, 439855, 527826, 610545, 629331, 810030, 879710, 1048885, 1221090, 1258662, 1319565, 2097770, 2639130, 2727101, 3146655, 5454202, 6293310, 8181303, 13635505, 16362606, 27271010, 40906515, 81813030]

約数ペア:

[(1, 81813030), (2, 40906515), (3, 27271010), (5, 16362606), (6, 13635505), (10, 8181303), (13, 6293310), (15, 5454202), (26, 3146655), (30, 2727101), (31, 2639130), (39, 2097770), (62, 1319565), (65, 1258662), (67, 1221090), (78, 1048885), (93, 879710), (101, 810030), (130, 629331), (134, 610545), (155, 527826), (186, 439855), (195, 419554), (201, 407030), (202, 405015), (303, 270010), (310, 263913), (335, 244218), (390, 209777), (402, 203515), (403, 203010), (465, 175942), (505, 162006), (606, 135005), (670, 122109), (806, 101505), (871, 93930), (930, 87971), (1005, 81406), (1010, 81003), (1209, 67670), (1313, 62310), (1515, 54002), (1742, 46965), (2010, 40703), (2015, 40602), (2077, 39390), (2418, 33835), (2613, 31310), (2626, 31155), (3030, 27001), (3131, 26130), (3939, 20770), (4030, 20301), (4154, 19695), (4355, 18786), (5226, 15655), (6045, 13534), (6231, 13130), (6262, 13065), (6565, 12462), (6767, 12090), (7878, 10385), (8710, 9393)]