78778140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3539}}^1$

素因数の和:3611

約数の個数: 96

約数和(自身を含む): 256919040

約数和(自身を除く): 178140900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 3180, 3539, 3710, 4452, 5565, 7078, 7420, 10617, 11130, 14156, 17695, 21234, 22260, 24773, 35390, 42468, 49546, 53085, 70780, 74319, 99092, 106170, 123865, 148638, 187567, 212340, 247730, 297276, 371595, 375134, 495460, 562701, 743190, 750268, 937835, 1125402, 1312969, 1486380, 1875670, 2250804, 2625938, 2813505, 3751340, 3938907, 5251876, 5627010, 6564845, 7877814, 11254020, 13129690, 15755628, 19694535, 26259380, 39389070, 78778140]

約数ペア:

[(1, 78778140), (2, 39389070), (3, 26259380), (4, 19694535), (5, 15755628), (6, 13129690), (7, 11254020), (10, 7877814), (12, 6564845), (14, 5627010), (15, 5251876), (20, 3938907), (21, 3751340), (28, 2813505), (30, 2625938), (35, 2250804), (42, 1875670), (53, 1486380), (60, 1312969), (70, 1125402), (84, 937835), (105, 750268), (106, 743190), (140, 562701), (159, 495460), (210, 375134), (212, 371595), (265, 297276), (318, 247730), (371, 212340), (420, 187567), (530, 148638), (636, 123865), (742, 106170), (795, 99092), (1060, 74319), (1113, 70780), (1484, 53085), (1590, 49546), (1855, 42468), (2226, 35390), (3180, 24773), (3539, 22260), (3710, 21234), (4452, 17695), (5565, 14156), (7078, 11130), (7420, 10617)]