156930280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301789}}^1$

素因数の和:301813

約数の個数: 32

約数和(自身を含む): 380255400

約数和(自身を除く): 223325120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 301789, 603578, 1207156, 1508945, 2414312, 3017890, 3923257, 6035780, 7846514, 12071560, 15693028, 19616285, 31386056, 39232570, 78465140, 156930280]

約数ペア:

[(1, 156930280), (2, 78465140), (4, 39232570), (5, 31386056), (8, 19616285), (10, 15693028), (13, 12071560), (20, 7846514), (26, 6035780), (40, 3923257), (52, 3017890), (65, 2414312), (104, 1508945), (130, 1207156), (260, 603578), (520, 301789)]