123016920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78857}}^1$

素因数の和:78884

約数の個数: 64

約数和(自身を含む): 397444320

約数和(自身を除く): 274427400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 78857, 157714, 236571, 315428, 394285, 473142, 630856, 788570, 946284, 1025141, 1182855, 1577140, 1892568, 2050282, 2365710, 3075423, 3154280, 4100564, 4731420, 5125705, 6150846, 8201128, 9462840, 10251410, 12301692, 15377115, 20502820, 24603384, 30754230, 41005640, 61508460, 123016920]

約数ペア:

[(1, 123016920), (2, 61508460), (3, 41005640), (4, 30754230), (5, 24603384), (6, 20502820), (8, 15377115), (10, 12301692), (12, 10251410), (13, 9462840), (15, 8201128), (20, 6150846), (24, 5125705), (26, 4731420), (30, 4100564), (39, 3154280), (40, 3075423), (52, 2365710), (60, 2050282), (65, 1892568), (78, 1577140), (104, 1182855), (120, 1025141), (130, 946284), (156, 788570), (195, 630856), (260, 473142), (312, 394285), (390, 315428), (520, 236571), (780, 157714), (1560, 78857)]