81163728

素因数分解:

$2^4\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2217

約数の個数: 80

約数和(自身を含む): 235699200

約数和(自身を除く): 154535472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 89, 108, 144, 178, 216, 267, 356, 432, 534, 712, 801, 1068, 1424, 1602, 2111, 2136, 2403, 3204, 4222, 4272, 4806, 6333, 6408, 8444, 9612, 12666, 12816, 16888, 18999, 19224, 25332, 33776, 37998, 38448, 50664, 56997, 75996, 101328, 113994, 151992, 187879, 227988, 303984, 375758, 455976, 563637, 751516, 911952, 1127274, 1503032, 1690911, 2254548, 3006064, 3381822, 4509096, 5072733, 6763644, 9018192, 10145466, 13527288, 20290932, 27054576, 40581864, 81163728]

約数ペア:

[(1, 81163728), (2, 40581864), (3, 27054576), (4, 20290932), (6, 13527288), (8, 10145466), (9, 9018192), (12, 6763644), (16, 5072733), (18, 4509096), (24, 3381822), (27, 3006064), (36, 2254548), (48, 1690911), (54, 1503032), (72, 1127274), (89, 911952), (108, 751516), (144, 563637), (178, 455976), (216, 375758), (267, 303984), (356, 227988), (432, 187879), (534, 151992), (712, 113994), (801, 101328), (1068, 75996), (1424, 56997), (1602, 50664), (2111, 38448), (2136, 37998), (2403, 33776), (3204, 25332), (4222, 19224), (4272, 18999), (4806, 16888), (6333, 12816), (6408, 12666), (8444, 9612)]