1266871280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:555

約数の個数: 160

約数和(自身を含む): 3294753408

約数和(自身を除く): 2027882128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 101, 115, 136, 170, 184, 202, 230, 272, 340, 368, 391, 401, 404, 460, 505, 680, 782, 802, 808, 920, 1010, 1360, 1564, 1604, 1616, 1717, 1840, 1955, 2005, 2020, 2323, 3128, 3208, 3434, 3910, 4010, 4040, 4646, 6256, 6416, 6817, 6868, 7820, 8020, 8080, 8585, 9223, 9292, 11615, 13634, 13736, 15640, 16040, 17170, 18446, 18584, 23230, 27268, 27472, 31280, 32080, 34085, 34340, 36892, 37168, 39491, 40501, 46115, 46460, 54536, 68170, 68680, 73784, 78982, 81002, 92230, 92920, 109072, 136340, 137360, 147568, 156791, 157964, 162004, 184460, 185840, 197455, 202505, 272680, 313582, 315928, 324008, 368920, 394910, 405010, 545360, 627164, 631856, 648016, 688517, 737840, 783955, 789820, 810020, 931523, 1254328, 1377034, 1567910, 1579640, 1620040, 1863046, 2508656, 2754068, 3135820, 3159280, 3240080, 3442585, 3726092, 4657615, 5508136, 6271640, 6885170, 7452184, 9315230, 11016272, 12543280, 13770340, 14904368, 15835891, 18630460, 27540680, 31671782, 37260920, 55081360, 63343564, 74521840, 79179455, 126687128, 158358910, 253374256, 316717820, 633435640, 1266871280]

約数ペア:

[(1, 1266871280), (2, 633435640), (4, 316717820), (5, 253374256), (8, 158358910), (10, 126687128), (16, 79179455), (17, 74521840), (20, 63343564), (23, 55081360), (34, 37260920), (40, 31671782), (46, 27540680), (68, 18630460), (80, 15835891), (85, 14904368), (92, 13770340), (101, 12543280), (115, 11016272), (136, 9315230), (170, 7452184), (184, 6885170), (202, 6271640), (230, 5508136), (272, 4657615), (340, 3726092), (368, 3442585), (391, 3240080), (401, 3159280), (404, 3135820), (460, 2754068), (505, 2508656), (680, 1863046), (782, 1620040), (802, 1579640), (808, 1567910), (920, 1377034), (1010, 1254328), (1360, 931523), (1564, 810020), (1604, 789820), (1616, 783955), (1717, 737840), (1840, 688517), (1955, 648016), (2005, 631856), (2020, 627164), (2323, 545360), (3128, 405010), (3208, 394910), (3434, 368920), (3910, 324008), (4010, 315928), (4040, 313582), (4646, 272680), (6256, 202505), (6416, 197455), (6817, 185840), (6868, 184460), (7820, 162004), (8020, 157964), (8080, 156791), (8585, 147568), (9223, 137360), (9292, 136340), (11615, 109072), (13634, 92920), (13736, 92230), (15640, 81002), (16040, 78982), (17170, 73784), (18446, 68680), (18584, 68170), (23230, 54536), (27268, 46460), (27472, 46115), (31280, 40501), (32080, 39491), (34085, 37168), (34340, 36892)]