278953680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68371}}^1$

素因数の和:68404

約数の個数: 80

約数和(自身を含む): 915637824

約数和(自身を除く): 636684144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 68371, 136742, 205113, 273484, 341855, 410226, 546968, 683710, 820452, 1025565, 1093936, 1162307, 1367420, 1640904, 2051130, 2324614, 2734840, 3281808, 3486921, 4102260, 4649228, 5469680, 5811535, 6973842, 8204520, 9298456, 11623070, 13947684, 16409040, 17434605, 18596912, 23246140, 27895368, 34869210, 46492280, 55790736, 69738420, 92984560, 139476840, 278953680]

約数ペア:

[(1, 278953680), (2, 139476840), (3, 92984560), (4, 69738420), (5, 55790736), (6, 46492280), (8, 34869210), (10, 27895368), (12, 23246140), (15, 18596912), (16, 17434605), (17, 16409040), (20, 13947684), (24, 11623070), (30, 9298456), (34, 8204520), (40, 6973842), (48, 5811535), (51, 5469680), (60, 4649228), (68, 4102260), (80, 3486921), (85, 3281808), (102, 2734840), (120, 2324614), (136, 2051130), (170, 1640904), (204, 1367420), (240, 1162307), (255, 1093936), (272, 1025565), (340, 820452), (408, 683710), (510, 546968), (680, 410226), (816, 341855), (1020, 273484), (1360, 205113), (2040, 136742), (4080, 68371)]