421654680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{390421}}^1$

素因数の和:390441

約数の個数: 64

約数和(自身を含む): 1405519200

約数和(自身を除く): 983864520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 390421, 780842, 1171263, 1561684, 1952105, 2342526, 3123368, 3513789, 3904210, 4685052, 5856315, 7027578, 7808420, 9370104, 10541367, 11712630, 14055156, 15616840, 17568945, 21082734, 23425260, 28110312, 35137890, 42165468, 46850520, 52706835, 70275780, 84330936, 105413670, 140551560, 210827340, 421654680]

約数ペア:

[(1, 421654680), (2, 210827340), (3, 140551560), (4, 105413670), (5, 84330936), (6, 70275780), (8, 52706835), (9, 46850520), (10, 42165468), (12, 35137890), (15, 28110312), (18, 23425260), (20, 21082734), (24, 17568945), (27, 15616840), (30, 14055156), (36, 11712630), (40, 10541367), (45, 9370104), (54, 7808420), (60, 7027578), (72, 5856315), (90, 4685052), (108, 3904210), (120, 3513789), (135, 3123368), (180, 2342526), (216, 1952105), (270, 1561684), (360, 1171263), (540, 780842), (1080, 390421)]