128543940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{102019}}^1$

素因数の和:102041

約数の個数: 72

約数和(自身を含む): 445623360

約数和(自身を除く): 317079420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 102019, 204038, 306057, 408076, 510095, 612114, 714133, 918171, 1020190, 1224228, 1428266, 1530285, 1836342, 2040380, 2142399, 2856532, 3060570, 3570665, 3672684, 4284798, 4590855, 6121140, 6427197, 7141330, 8569596, 9181710, 10711995, 12854394, 14282660, 18363420, 21423990, 25708788, 32135985, 42847980, 64271970, 128543940]

約数ペア:

[(1, 128543940), (2, 64271970), (3, 42847980), (4, 32135985), (5, 25708788), (6, 21423990), (7, 18363420), (9, 14282660), (10, 12854394), (12, 10711995), (14, 9181710), (15, 8569596), (18, 7141330), (20, 6427197), (21, 6121140), (28, 4590855), (30, 4284798), (35, 3672684), (36, 3570665), (42, 3060570), (45, 2856532), (60, 2142399), (63, 2040380), (70, 1836342), (84, 1530285), (90, 1428266), (105, 1224228), (126, 1020190), (140, 918171), (180, 714133), (210, 612114), (252, 510095), (315, 408076), (420, 306057), (630, 204038), (1260, 102019)]