72160240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 179800992

約数和(自身を除く): 107640752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 547, 680, 776, 970, 1094, 1360, 1552, 1649, 1940, 2188, 2735, 3298, 3880, 4376, 5470, 6596, 7760, 8245, 8752, 9299, 10940, 13192, 16490, 18598, 21880, 26384, 32980, 37196, 43760, 46495, 53059, 65960, 74392, 92990, 106118, 131920, 148784, 185980, 212236, 265295, 371960, 424472, 530590, 743920, 848944, 902003, 1061180, 1804006, 2122360, 3608012, 4244720, 4510015, 7216024, 9020030, 14432048, 18040060, 36080120, 72160240]

約数ペア:

[(1, 72160240), (2, 36080120), (4, 18040060), (5, 14432048), (8, 9020030), (10, 7216024), (16, 4510015), (17, 4244720), (20, 3608012), (34, 2122360), (40, 1804006), (68, 1061180), (80, 902003), (85, 848944), (97, 743920), (136, 530590), (170, 424472), (194, 371960), (272, 265295), (340, 212236), (388, 185980), (485, 148784), (547, 131920), (680, 106118), (776, 92990), (970, 74392), (1094, 65960), (1360, 53059), (1552, 46495), (1649, 43760), (1940, 37196), (2188, 32980), (2735, 26384), (3298, 21880), (3880, 18598), (4376, 16490), (5470, 13192), (6596, 10940), (7760, 9299), (8245, 8752)]