15663878420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1\times {\mathrm{7211}}^1$

素因数の和:7880

約数の個数: 48

約数和(自身を含む): 33098925888

約数和(自身を除く): 17435047468

約数列:

[1, 2, 4, 5, 10, 20, 313, 347, 626, 694, 1252, 1388, 1565, 1735, 3130, 3470, 6260, 6940, 7211, 14422, 28844, 36055, 72110, 108611, 144220, 217222, 434444, 543055, 1086110, 2172220, 2257043, 2502217, 4514086, 5004434, 9028172, 10008868, 11285215, 12511085, 22570430, 25022170, 45140860, 50044340, 783193921, 1566387842, 3132775684, 3915969605, 7831939210, 15663878420]

約数ペア:

[(1, 15663878420), (2, 7831939210), (4, 3915969605), (5, 3132775684), (10, 1566387842), (20, 783193921), (313, 50044340), (347, 45140860), (626, 25022170), (694, 22570430), (1252, 12511085), (1388, 11285215), (1565, 10008868), (1735, 9028172), (3130, 5004434), (3470, 4514086), (6260, 2502217), (6940, 2257043), (7211, 2172220), (14422, 1086110), (28844, 543055), (36055, 434444), (72110, 217222), (108611, 144220)]