155390620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{9173}}^1$

素因数の和:9211

約数の個数: 72

約数和(自身を含む): 409967712

約数和(自身を除く): 254577092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 9173, 16940, 18346, 36692, 45865, 64211, 91730, 100903, 128422, 183460, 201806, 256844, 321055, 403612, 504515, 642110, 706321, 1009030, 1109933, 1284220, 1412642, 2018060, 2219866, 2825284, 3531605, 4439732, 5549665, 7063210, 7769531, 11099330, 14126420, 15539062, 22198660, 31078124, 38847655, 77695310, 155390620]

約数ペア:

[(1, 155390620), (2, 77695310), (4, 38847655), (5, 31078124), (7, 22198660), (10, 15539062), (11, 14126420), (14, 11099330), (20, 7769531), (22, 7063210), (28, 5549665), (35, 4439732), (44, 3531605), (55, 2825284), (70, 2219866), (77, 2018060), (110, 1412642), (121, 1284220), (140, 1109933), (154, 1009030), (220, 706321), (242, 642110), (308, 504515), (385, 403612), (484, 321055), (605, 256844), (770, 201806), (847, 183460), (1210, 128422), (1540, 100903), (1694, 91730), (2420, 64211), (3388, 45865), (4235, 36692), (8470, 18346), (9173, 16940)]