71713980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1660

約数の個数: 144

約数和(自身を含む): 246748320

約数和(自身を除く): 175034340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1613, 1710, 2223, 2340, 2470, 2964, 3226, 3420, 3705, 4446, 4839, 4940, 6452, 7410, 8065, 8892, 9678, 11115, 14517, 14820, 16130, 19356, 20969, 22230, 24195, 29034, 30647, 32260, 41938, 44460, 48390, 58068, 61294, 62907, 72585, 83876, 91941, 96780, 104845, 122588, 125814, 145170, 153235, 183882, 188721, 209690, 251628, 275823, 290340, 306470, 314535, 367764, 377442, 398411, 419380, 459705, 551646, 612940, 629070, 754884, 796822, 919410, 943605, 1103292, 1195233, 1258140, 1379115, 1593644, 1838820, 1887210, 1992055, 2390466, 2758230, 3585699, 3774420, 3984110, 4780932, 5516460, 5976165, 7171398, 7968220, 11952330, 14342796, 17928495, 23904660, 35856990, 71713980]

約数ペア:

[(1, 71713980), (2, 35856990), (3, 23904660), (4, 17928495), (5, 14342796), (6, 11952330), (9, 7968220), (10, 7171398), (12, 5976165), (13, 5516460), (15, 4780932), (18, 3984110), (19, 3774420), (20, 3585699), (26, 2758230), (30, 2390466), (36, 1992055), (38, 1887210), (39, 1838820), (45, 1593644), (52, 1379115), (57, 1258140), (60, 1195233), (65, 1103292), (76, 943605), (78, 919410), (90, 796822), (95, 754884), (114, 629070), (117, 612940), (130, 551646), (156, 459705), (171, 419380), (180, 398411), (190, 377442), (195, 367764), (228, 314535), (234, 306470), (247, 290340), (260, 275823), (285, 251628), (342, 209690), (380, 188721), (390, 183882), (468, 153235), (494, 145170), (570, 125814), (585, 122588), (684, 104845), (741, 96780), (780, 91941), (855, 83876), (988, 72585), (1140, 62907), (1170, 61294), (1235, 58068), (1482, 48390), (1613, 44460), (1710, 41938), (2223, 32260), (2340, 30647), (2470, 29034), (2964, 24195), (3226, 22230), (3420, 20969), (3705, 19356), (4446, 16130), (4839, 14820), (4940, 14517), (6452, 11115), (7410, 9678), (8065, 8892)]