645856960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{773}}^1$

素因数の和:1170

約数の個数: 112

約数和(自身を含む): 1764645696

約数和(自身を除く): 1118788736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 373, 448, 560, 746, 773, 1120, 1492, 1546, 1865, 2240, 2611, 2984, 3092, 3730, 3865, 5222, 5411, 5968, 6184, 7460, 7730, 10444, 10822, 11936, 12368, 13055, 14920, 15460, 20888, 21644, 23872, 24736, 26110, 27055, 29840, 30920, 41776, 43288, 49472, 52220, 54110, 59680, 61840, 83552, 86576, 104440, 108220, 119360, 123680, 167104, 173152, 208880, 216440, 247360, 288329, 346304, 417760, 432880, 576658, 835520, 865760, 1153316, 1441645, 1731520, 2018303, 2306632, 2883290, 4036606, 4613264, 5766580, 8073212, 9226528, 10091515, 11533160, 16146424, 18453056, 20183030, 23066320, 32292848, 40366060, 46132640, 64585696, 80732120, 92265280, 129171392, 161464240, 322928480, 645856960]

約数ペア:

[(1, 645856960), (2, 322928480), (4, 161464240), (5, 129171392), (7, 92265280), (8, 80732120), (10, 64585696), (14, 46132640), (16, 40366060), (20, 32292848), (28, 23066320), (32, 20183030), (35, 18453056), (40, 16146424), (56, 11533160), (64, 10091515), (70, 9226528), (80, 8073212), (112, 5766580), (140, 4613264), (160, 4036606), (224, 2883290), (280, 2306632), (320, 2018303), (373, 1731520), (448, 1441645), (560, 1153316), (746, 865760), (773, 835520), (1120, 576658), (1492, 432880), (1546, 417760), (1865, 346304), (2240, 288329), (2611, 247360), (2984, 216440), (3092, 208880), (3730, 173152), (3865, 167104), (5222, 123680), (5411, 119360), (5968, 108220), (6184, 104440), (7460, 86576), (7730, 83552), (10444, 61840), (10822, 59680), (11936, 54110), (12368, 52220), (13055, 49472), (14920, 43288), (15460, 41776), (20888, 30920), (21644, 29840), (23872, 27055), (24736, 26110)]