80680140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 254741760

約数和(自身を除く): 174061620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 71, 90, 107, 118, 142, 177, 180, 213, 214, 236, 284, 295, 321, 354, 355, 426, 428, 531, 535, 590, 639, 642, 708, 710, 852, 885, 963, 1062, 1065, 1070, 1180, 1278, 1284, 1420, 1605, 1770, 1926, 2124, 2130, 2140, 2556, 2655, 3195, 3210, 3540, 3852, 4189, 4260, 4815, 5310, 6313, 6390, 6420, 7597, 8378, 9630, 10620, 12567, 12626, 12780, 15194, 16756, 18939, 19260, 20945, 22791, 25134, 25252, 30388, 31565, 37701, 37878, 37985, 41890, 45582, 50268, 56817, 62835, 63130, 68373, 75402, 75756, 75970, 83780, 91164, 94695, 113634, 113955, 125670, 126260, 136746, 150804, 151940, 188505, 189390, 227268, 227910, 251340, 273492, 284085, 341865, 377010, 378780, 448223, 455820, 568170, 683730, 754020, 896446, 1136340, 1344669, 1367460, 1792892, 2241115, 2689338, 4034007, 4482230, 5378676, 6723345, 8068014, 8964460, 13446690, 16136028, 20170035, 26893380, 40340070, 80680140]

約数ペア:

[(1, 80680140), (2, 40340070), (3, 26893380), (4, 20170035), (5, 16136028), (6, 13446690), (9, 8964460), (10, 8068014), (12, 6723345), (15, 5378676), (18, 4482230), (20, 4034007), (30, 2689338), (36, 2241115), (45, 1792892), (59, 1367460), (60, 1344669), (71, 1136340), (90, 896446), (107, 754020), (118, 683730), (142, 568170), (177, 455820), (180, 448223), (213, 378780), (214, 377010), (236, 341865), (284, 284085), (295, 273492), (321, 251340), (354, 227910), (355, 227268), (426, 189390), (428, 188505), (531, 151940), (535, 150804), (590, 136746), (639, 126260), (642, 125670), (708, 113955), (710, 113634), (852, 94695), (885, 91164), (963, 83780), (1062, 75970), (1065, 75756), (1070, 75402), (1180, 68373), (1278, 63130), (1284, 62835), (1420, 56817), (1605, 50268), (1770, 45582), (1926, 41890), (2124, 37985), (2130, 37878), (2140, 37701), (2556, 31565), (2655, 30388), (3195, 25252), (3210, 25134), (3540, 22791), (3852, 20945), (4189, 19260), (4260, 18939), (4815, 16756), (5310, 15194), (6313, 12780), (6390, 12626), (6420, 12567), (7597, 10620), (8378, 9630)]