72704060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2311}}^1$

素因数の和:2355

約数の個数: 72

約数和(自身を含む): 180807648

約数和(自身を除く): 108103588

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2311, 2420, 2860, 3146, 4622, 6292, 7865, 9244, 11555, 15730, 23110, 25421, 30043, 31460, 46220, 50842, 60086, 101684, 120172, 127105, 150215, 254210, 279631, 300430, 330473, 508420, 559262, 600860, 660946, 1118524, 1321892, 1398155, 1652365, 2796310, 3304730, 3635203, 5592620, 6609460, 7270406, 14540812, 18176015, 36352030, 72704060]

約数ペア:

[(1, 72704060), (2, 36352030), (4, 18176015), (5, 14540812), (10, 7270406), (11, 6609460), (13, 5592620), (20, 3635203), (22, 3304730), (26, 2796310), (44, 1652365), (52, 1398155), (55, 1321892), (65, 1118524), (110, 660946), (121, 600860), (130, 559262), (143, 508420), (220, 330473), (242, 300430), (260, 279631), (286, 254210), (484, 150215), (572, 127105), (605, 120172), (715, 101684), (1210, 60086), (1430, 50842), (1573, 46220), (2311, 31460), (2420, 30043), (2860, 25421), (3146, 23110), (4622, 15730), (6292, 11555), (7865, 9244)]