61838320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 148740480

約数和(自身を除く): 86902160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 83, 134, 139, 166, 268, 278, 332, 335, 415, 536, 556, 664, 670, 695, 830, 1072, 1112, 1328, 1340, 1390, 1660, 2224, 2680, 2780, 3320, 5360, 5560, 5561, 6640, 9313, 11120, 11122, 11537, 18626, 22244, 23074, 27805, 37252, 44488, 46148, 46565, 55610, 57685, 74504, 88976, 92296, 93130, 111220, 115370, 149008, 184592, 186260, 222440, 230740, 372520, 444880, 461480, 745040, 772979, 922960, 1545958, 3091916, 3864895, 6183832, 7729790, 12367664, 15459580, 30919160, 61838320]

約数ペア:

[(1, 61838320), (2, 30919160), (4, 15459580), (5, 12367664), (8, 7729790), (10, 6183832), (16, 3864895), (20, 3091916), (40, 1545958), (67, 922960), (80, 772979), (83, 745040), (134, 461480), (139, 444880), (166, 372520), (268, 230740), (278, 222440), (332, 186260), (335, 184592), (415, 149008), (536, 115370), (556, 111220), (664, 93130), (670, 92296), (695, 88976), (830, 74504), (1072, 57685), (1112, 55610), (1328, 46565), (1340, 46148), (1390, 44488), (1660, 37252), (2224, 27805), (2680, 23074), (2780, 22244), (3320, 18626), (5360, 11537), (5560, 11122), (5561, 11120), (6640, 9313)]