74640880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 186577344

約数和(自身を除く): 111936464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 710, 773, 1136, 1207, 1360, 1420, 1546, 2414, 2840, 3092, 3865, 4828, 5680, 6035, 6184, 7730, 9656, 12070, 12368, 13141, 15460, 19312, 24140, 26282, 30920, 48280, 52564, 54883, 61840, 65705, 96560, 105128, 109766, 131410, 210256, 219532, 262820, 274415, 439064, 525640, 548830, 878128, 933011, 1051280, 1097660, 1866022, 2195320, 3732044, 4390640, 4665055, 7464088, 9330110, 14928176, 18660220, 37320440, 74640880]

約数ペア:

[(1, 74640880), (2, 37320440), (4, 18660220), (5, 14928176), (8, 9330110), (10, 7464088), (16, 4665055), (17, 4390640), (20, 3732044), (34, 2195320), (40, 1866022), (68, 1097660), (71, 1051280), (80, 933011), (85, 878128), (136, 548830), (142, 525640), (170, 439064), (272, 274415), (284, 262820), (340, 219532), (355, 210256), (568, 131410), (680, 109766), (710, 105128), (773, 96560), (1136, 65705), (1207, 61840), (1360, 54883), (1420, 52564), (1546, 48280), (2414, 30920), (2840, 26282), (3092, 24140), (3865, 19312), (4828, 15460), (5680, 13141), (6035, 12368), (6184, 12070), (7730, 9656)]