320401560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{140527}}^1$

素因数の和:140560

約数の個数: 64

約数和(自身を含む): 1011801600

約数和(自身を除く): 691400040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 140527, 281054, 421581, 562108, 702635, 843162, 1124216, 1405270, 1686324, 2107905, 2670013, 2810540, 3372648, 4215810, 5340026, 5621080, 8010039, 8431620, 10680052, 13350065, 16020078, 16863240, 21360104, 26700130, 32040156, 40050195, 53400260, 64080312, 80100390, 106800520, 160200780, 320401560]

約数ペア:

[(1, 320401560), (2, 160200780), (3, 106800520), (4, 80100390), (5, 64080312), (6, 53400260), (8, 40050195), (10, 32040156), (12, 26700130), (15, 21360104), (19, 16863240), (20, 16020078), (24, 13350065), (30, 10680052), (38, 8431620), (40, 8010039), (57, 5621080), (60, 5340026), (76, 4215810), (95, 3372648), (114, 2810540), (120, 2670013), (152, 2107905), (190, 1686324), (228, 1405270), (285, 1124216), (380, 843162), (456, 702635), (570, 562108), (760, 421581), (1140, 281054), (2280, 140527)]