72107984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 158989824

約数和(自身を除く): 86881840

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 53, 62, 104, 106, 124, 208, 211, 212, 248, 403, 422, 424, 496, 689, 806, 844, 848, 1378, 1612, 1643, 1688, 2743, 2756, 3224, 3286, 3376, 5486, 5512, 6448, 6541, 6572, 10972, 11024, 11183, 13082, 13144, 21359, 21944, 22366, 26164, 26288, 42718, 43888, 44732, 52328, 85033, 85436, 89464, 104656, 145379, 170066, 170872, 178928, 290758, 340132, 341744, 346673, 581516, 680264, 693346, 1163032, 1360528, 1386692, 2326064, 2773384, 4506749, 5546768, 9013498, 18026996, 36053992, 72107984]

約数ペア:

[(1, 72107984), (2, 36053992), (4, 18026996), (8, 9013498), (13, 5546768), (16, 4506749), (26, 2773384), (31, 2326064), (52, 1386692), (53, 1360528), (62, 1163032), (104, 693346), (106, 680264), (124, 581516), (208, 346673), (211, 341744), (212, 340132), (248, 290758), (403, 178928), (422, 170872), (424, 170066), (496, 145379), (689, 104656), (806, 89464), (844, 85436), (848, 85033), (1378, 52328), (1612, 44732), (1643, 43888), (1688, 42718), (2743, 26288), (2756, 26164), (3224, 22366), (3286, 21944), (3376, 21359), (5486, 13144), (5512, 13082), (6448, 11183), (6541, 11024), (6572, 10972)]