78289380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33457}}^1$

素因数の和:33485

約数の個数: 72

約数和(自身を含む): 255752952

約数和(自身を除く): 177463572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 33457, 66914, 100371, 133828, 167285, 200742, 301113, 334570, 401484, 434941, 501855, 602226, 669140, 869882, 1003710, 1204452, 1304823, 1505565, 1739764, 2007420, 2174705, 2609646, 3011130, 3914469, 4349410, 5219292, 6022260, 6524115, 7828938, 8698820, 13048230, 15657876, 19572345, 26096460, 39144690, 78289380]

約数ペア:

[(1, 78289380), (2, 39144690), (3, 26096460), (4, 19572345), (5, 15657876), (6, 13048230), (9, 8698820), (10, 7828938), (12, 6524115), (13, 6022260), (15, 5219292), (18, 4349410), (20, 3914469), (26, 3011130), (30, 2609646), (36, 2174705), (39, 2007420), (45, 1739764), (52, 1505565), (60, 1304823), (65, 1204452), (78, 1003710), (90, 869882), (117, 669140), (130, 602226), (156, 501855), (180, 434941), (195, 401484), (234, 334570), (260, 301113), (390, 200742), (468, 167285), (585, 133828), (780, 100371), (1170, 66914), (2340, 33457)]