688590780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{35531}}^1$

素因数の和:35579

約数の個数: 96

約数和(自身を含む): 2148975360

約数和(自身を除く): 1460384580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 19380, 35531, 71062, 106593, 142124, 177655, 213186, 355310, 426372, 532965, 604027, 675089, 710620, 1065930, 1208054, 1350178, 1812081, 2025267, 2131860, 2416108, 2700356, 3020135, 3375445, 3624162, 4050534, 6040270, 6750890, 7248324, 8101068, 9060405, 10126335, 11476513, 12080540, 13501780, 18120810, 20252670, 22953026, 34429539, 36241620, 40505340, 45906052, 57382565, 68859078, 114765130, 137718156, 172147695, 229530260, 344295390, 688590780]

約数ペア:

[(1, 688590780), (2, 344295390), (3, 229530260), (4, 172147695), (5, 137718156), (6, 114765130), (10, 68859078), (12, 57382565), (15, 45906052), (17, 40505340), (19, 36241620), (20, 34429539), (30, 22953026), (34, 20252670), (38, 18120810), (51, 13501780), (57, 12080540), (60, 11476513), (68, 10126335), (76, 9060405), (85, 8101068), (95, 7248324), (102, 6750890), (114, 6040270), (170, 4050534), (190, 3624162), (204, 3375445), (228, 3020135), (255, 2700356), (285, 2416108), (323, 2131860), (340, 2025267), (380, 1812081), (510, 1350178), (570, 1208054), (646, 1065930), (969, 710620), (1020, 675089), (1140, 604027), (1292, 532965), (1615, 426372), (1938, 355310), (3230, 213186), (3876, 177655), (4845, 142124), (6460, 106593), (9690, 71062), (19380, 35531)]