129251720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 333123840

約数和(自身を除く): 203872120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 101, 104, 107, 115, 130, 184, 202, 214, 230, 260, 299, 404, 428, 460, 505, 520, 535, 598, 808, 856, 920, 1010, 1070, 1196, 1313, 1391, 1495, 2020, 2140, 2323, 2392, 2461, 2626, 2782, 2990, 4040, 4280, 4646, 4922, 5252, 5564, 5980, 6565, 6955, 9292, 9844, 10504, 10807, 11128, 11615, 11960, 12305, 13130, 13910, 18584, 19688, 21614, 23230, 24610, 26260, 27820, 30199, 31993, 43228, 46460, 49220, 52520, 54035, 55640, 60398, 63986, 86456, 92920, 98440, 108070, 120796, 127972, 140491, 150995, 159965, 216140, 241592, 248561, 255944, 280982, 301990, 319930, 432280, 497122, 561964, 603980, 639860, 702455, 994244, 1123928, 1207960, 1242805, 1279720, 1404910, 1988488, 2485610, 2809820, 3231293, 4971220, 5619640, 6462586, 9942440, 12925172, 16156465, 25850344, 32312930, 64625860, 129251720]

約数ペア:

[(1, 129251720), (2, 64625860), (4, 32312930), (5, 25850344), (8, 16156465), (10, 12925172), (13, 9942440), (20, 6462586), (23, 5619640), (26, 4971220), (40, 3231293), (46, 2809820), (52, 2485610), (65, 1988488), (92, 1404910), (101, 1279720), (104, 1242805), (107, 1207960), (115, 1123928), (130, 994244), (184, 702455), (202, 639860), (214, 603980), (230, 561964), (260, 497122), (299, 432280), (404, 319930), (428, 301990), (460, 280982), (505, 255944), (520, 248561), (535, 241592), (598, 216140), (808, 159965), (856, 150995), (920, 140491), (1010, 127972), (1070, 120796), (1196, 108070), (1313, 98440), (1391, 92920), (1495, 86456), (2020, 63986), (2140, 60398), (2323, 55640), (2392, 54035), (2461, 52520), (2626, 49220), (2782, 46460), (2990, 43228), (4040, 31993), (4280, 30199), (4646, 27820), (4922, 26260), (5252, 24610), (5564, 23230), (5980, 21614), (6565, 19688), (6955, 18584), (9292, 13910), (9844, 13130), (10504, 12305), (10807, 11960), (11128, 11615)]