64146940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2083

約数の個数: 72

約数和(自身を含む): 159536160

約数和(自身を除く): 95389220

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2039, 2420, 2860, 3146, 4078, 6292, 7865, 8156, 10195, 15730, 20390, 22429, 26507, 31460, 40780, 44858, 53014, 89716, 106028, 112145, 132535, 224290, 246719, 265070, 291577, 448580, 493438, 530140, 583154, 986876, 1166308, 1233595, 1457885, 2467190, 2915770, 3207347, 4934380, 5831540, 6414694, 12829388, 16036735, 32073470, 64146940]

約数ペア:

[(1, 64146940), (2, 32073470), (4, 16036735), (5, 12829388), (10, 6414694), (11, 5831540), (13, 4934380), (20, 3207347), (22, 2915770), (26, 2467190), (44, 1457885), (52, 1233595), (55, 1166308), (65, 986876), (110, 583154), (121, 530140), (130, 493438), (143, 448580), (220, 291577), (242, 265070), (260, 246719), (286, 224290), (484, 132535), (572, 112145), (605, 106028), (715, 89716), (1210, 53014), (1430, 44858), (1573, 40780), (2039, 31460), (2420, 26507), (2860, 22429), (3146, 20390), (4078, 15730), (6292, 10195), (7865, 8156)]