20641733160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149969}}^1$

素因数の和:150051

約数の個数: 128

約数和(自身を含む): 65650867200

約数和(自身を除く): 45009134040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 2220, 2294, 3441, 3720, 4440, 4588, 5735, 6882, 9176, 11470, 13764, 17205, 22940, 27528, 34410, 45880, 68820, 137640, 149969, 299938, 449907, 599876, 749845, 899814, 1199752, 1499690, 1799628, 2249535, 2999380, 3599256, 4499070, 4649039, 5548853, 5998760, 8998140, 9298078, 11097706, 13947117, 16646559, 17996280, 18596156, 22195412, 23245195, 27744265, 27894234, 33293118, 37192312, 44390824, 46490390, 55488530, 55788468, 66586236, 69735585, 83232795, 92980780, 110977060, 111576936, 133172472, 139471170, 166465590, 172014443, 185961560, 221954120, 278942340, 332931180, 344028886, 516043329, 557884680, 665862360, 688057772, 860072215, 1032086658, 1376115544, 1720144430, 2064173316, 2580216645, 3440288860, 4128346632, 5160433290, 6880577720, 10320866580, 20641733160]

約数ペア:

[(1, 20641733160), (2, 10320866580), (3, 6880577720), (4, 5160433290), (5, 4128346632), (6, 3440288860), (8, 2580216645), (10, 2064173316), (12, 1720144430), (15, 1376115544), (20, 1032086658), (24, 860072215), (30, 688057772), (31, 665862360), (37, 557884680), (40, 516043329), (60, 344028886), (62, 332931180), (74, 278942340), (93, 221954120), (111, 185961560), (120, 172014443), (124, 166465590), (148, 139471170), (155, 133172472), (185, 111576936), (186, 110977060), (222, 92980780), (248, 83232795), (296, 69735585), (310, 66586236), (370, 55788468), (372, 55488530), (444, 46490390), (465, 44390824), (555, 37192312), (620, 33293118), (740, 27894234), (744, 27744265), (888, 23245195), (930, 22195412), (1110, 18596156), (1147, 17996280), (1240, 16646559), (1480, 13947117), (1860, 11097706), (2220, 9298078), (2294, 8998140), (3441, 5998760), (3720, 5548853), (4440, 4649039), (4588, 4499070), (5735, 3599256), (6882, 2999380), (9176, 2249535), (11470, 1799628), (13764, 1499690), (17205, 1199752), (22940, 899814), (27528, 749845), (34410, 599876), (45880, 449907), (68820, 299938), (137640, 149969)]