78945090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 227308032

約数和(自身を除く): 148362942

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 53, 70, 82, 105, 106, 123, 159, 173, 205, 210, 246, 265, 287, 318, 346, 371, 410, 519, 530, 574, 615, 742, 795, 861, 865, 1038, 1113, 1211, 1230, 1435, 1590, 1722, 1730, 1855, 2173, 2226, 2422, 2595, 2870, 3633, 3710, 4305, 4346, 5190, 5565, 6055, 6519, 7093, 7266, 8610, 9169, 10865, 11130, 12110, 13038, 14186, 15211, 18165, 18338, 21279, 21730, 27507, 30422, 32595, 35465, 36330, 42558, 45633, 45845, 49651, 55014, 64183, 65190, 70930, 76055, 91266, 91690, 99302, 106395, 128366, 137535, 148953, 152110, 192549, 212790, 228165, 248255, 275070, 297906, 320915, 375929, 385098, 456330, 496510, 641830, 744765, 751858, 962745, 1127787, 1489530, 1879645, 1925490, 2255574, 2631503, 3759290, 5263006, 5638935, 7894509, 11277870, 13157515, 15789018, 26315030, 39472545, 78945090]

約数ペア:

[(1, 78945090), (2, 39472545), (3, 26315030), (5, 15789018), (6, 13157515), (7, 11277870), (10, 7894509), (14, 5638935), (15, 5263006), (21, 3759290), (30, 2631503), (35, 2255574), (41, 1925490), (42, 1879645), (53, 1489530), (70, 1127787), (82, 962745), (105, 751858), (106, 744765), (123, 641830), (159, 496510), (173, 456330), (205, 385098), (210, 375929), (246, 320915), (265, 297906), (287, 275070), (318, 248255), (346, 228165), (371, 212790), (410, 192549), (519, 152110), (530, 148953), (574, 137535), (615, 128366), (742, 106395), (795, 99302), (861, 91690), (865, 91266), (1038, 76055), (1113, 70930), (1211, 65190), (1230, 64183), (1435, 55014), (1590, 49651), (1722, 45845), (1730, 45633), (1855, 42558), (2173, 36330), (2226, 35465), (2422, 32595), (2595, 30422), (2870, 27507), (3633, 21730), (3710, 21279), (4305, 18338), (4346, 18165), (5190, 15211), (5565, 14186), (6055, 13038), (6519, 12110), (7093, 11130), (7266, 10865), (8610, 9169)]