78272480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 219596832

約数和(自身を除く): 141324352

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 311, 352, 416, 440, 484, 520, 572, 605, 622, 715, 880, 968, 1040, 1144, 1210, 1244, 1430, 1555, 1573, 1760, 1936, 2080, 2288, 2420, 2488, 2860, 3110, 3146, 3421, 3872, 4043, 4576, 4840, 4976, 5720, 6220, 6292, 6842, 7865, 8086, 9680, 9952, 11440, 12440, 12584, 13684, 15730, 16172, 17105, 19360, 20215, 22880, 24880, 25168, 27368, 31460, 32344, 34210, 37631, 40430, 44473, 49760, 50336, 54736, 62920, 64688, 68420, 75262, 80860, 88946, 109472, 125840, 129376, 136840, 150524, 161720, 177892, 188155, 222365, 251680, 273680, 301048, 323440, 355784, 376310, 444730, 489203, 547360, 602096, 646880, 711568, 752620, 889460, 978406, 1204192, 1423136, 1505240, 1778920, 1956812, 2446015, 3010480, 3557840, 3913624, 4892030, 6020960, 7115680, 7827248, 9784060, 15654496, 19568120, 39136240, 78272480]

約数ペア:

[(1, 78272480), (2, 39136240), (4, 19568120), (5, 15654496), (8, 9784060), (10, 7827248), (11, 7115680), (13, 6020960), (16, 4892030), (20, 3913624), (22, 3557840), (26, 3010480), (32, 2446015), (40, 1956812), (44, 1778920), (52, 1505240), (55, 1423136), (65, 1204192), (80, 978406), (88, 889460), (104, 752620), (110, 711568), (121, 646880), (130, 602096), (143, 547360), (160, 489203), (176, 444730), (208, 376310), (220, 355784), (242, 323440), (260, 301048), (286, 273680), (311, 251680), (352, 222365), (416, 188155), (440, 177892), (484, 161720), (520, 150524), (572, 136840), (605, 129376), (622, 125840), (715, 109472), (880, 88946), (968, 80860), (1040, 75262), (1144, 68420), (1210, 64688), (1244, 62920), (1430, 54736), (1555, 50336), (1573, 49760), (1760, 44473), (1936, 40430), (2080, 37631), (2288, 34210), (2420, 32344), (2488, 31460), (2860, 27368), (3110, 25168), (3146, 24880), (3421, 22880), (3872, 20215), (4043, 19360), (4576, 17105), (4840, 16172), (4976, 15730), (5720, 13684), (6220, 12584), (6292, 12440), (6842, 11440), (7865, 9952), (8086, 9680)]