123896602840

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2069}}^1\times {\mathrm{3049}}^1$

素因数の和:5620

約数の個数: 64

約数和(自身を含む): 279561780000

約数和(自身を除く): 155665177160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2069, 2455, 3049, 3928, 4138, 4910, 6098, 8276, 9820, 10345, 12196, 15245, 16552, 19640, 20690, 24392, 30490, 41380, 60980, 82760, 121960, 1015879, 1497059, 2031758, 2994118, 4063516, 5079395, 5988236, 6308381, 7485295, 8127032, 10158790, 11976472, 12616762, 14970590, 20317580, 25233524, 29941180, 31541905, 40635160, 50467048, 59882360, 63083810, 126167620, 252335240, 3097415071, 6194830142, 12389660284, 15487075355, 24779320568, 30974150710, 61948301420, 123896602840]

約数ペア:

[(1, 123896602840), (2, 61948301420), (4, 30974150710), (5, 24779320568), (8, 15487075355), (10, 12389660284), (20, 6194830142), (40, 3097415071), (491, 252335240), (982, 126167620), (1964, 63083810), (2069, 59882360), (2455, 50467048), (3049, 40635160), (3928, 31541905), (4138, 29941180), (4910, 25233524), (6098, 20317580), (8276, 14970590), (9820, 12616762), (10345, 11976472), (12196, 10158790), (15245, 8127032), (16552, 7485295), (19640, 6308381), (20690, 5988236), (24392, 5079395), (30490, 4063516), (41380, 2994118), (60980, 2031758), (82760, 1497059), (121960, 1015879)]