308989980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132047}}^1$

素因数の和:132075

約数の個数: 72

約数和(自身を含む): 1009374912

約数和(自身を除く): 700384932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 132047, 264094, 396141, 528188, 660235, 792282, 1188423, 1320470, 1584564, 1716611, 1980705, 2376846, 2640940, 3433222, 3961410, 4753692, 5149833, 5942115, 6866444, 7922820, 8583055, 10299666, 11884230, 15449499, 17166110, 20599332, 23768460, 25749165, 30898998, 34332220, 51498330, 61797996, 77247495, 102996660, 154494990, 308989980]

約数ペア:

[(1, 308989980), (2, 154494990), (3, 102996660), (4, 77247495), (5, 61797996), (6, 51498330), (9, 34332220), (10, 30898998), (12, 25749165), (13, 23768460), (15, 20599332), (18, 17166110), (20, 15449499), (26, 11884230), (30, 10299666), (36, 8583055), (39, 7922820), (45, 6866444), (52, 5942115), (60, 5149833), (65, 4753692), (78, 3961410), (90, 3433222), (117, 2640940), (130, 2376846), (156, 1980705), (180, 1716611), (195, 1584564), (234, 1320470), (260, 1188423), (390, 792282), (468, 660235), (585, 528188), (780, 396141), (1170, 264094), (2340, 132047)]