251520144

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 664475328

約数和(自身を除く): 412955184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 197, 201, 268, 394, 397, 402, 536, 591, 788, 794, 804, 1072, 1182, 1191, 1576, 1588, 1608, 2364, 2382, 3152, 3176, 3216, 4728, 4764, 6352, 9456, 9528, 13199, 19056, 26398, 26599, 39597, 52796, 53198, 78209, 79194, 79797, 105592, 106396, 156418, 158388, 159594, 211184, 212792, 234627, 312836, 316776, 319188, 425584, 469254, 625672, 633552, 638376, 938508, 1251344, 1276752, 1877016, 3754032, 5240003, 10480006, 15720009, 20960012, 31440018, 41920024, 62880036, 83840048, 125760072, 251520144]

約数ペア:

[(1, 251520144), (2, 125760072), (3, 83840048), (4, 62880036), (6, 41920024), (8, 31440018), (12, 20960012), (16, 15720009), (24, 10480006), (48, 5240003), (67, 3754032), (134, 1877016), (197, 1276752), (201, 1251344), (268, 938508), (394, 638376), (397, 633552), (402, 625672), (536, 469254), (591, 425584), (788, 319188), (794, 316776), (804, 312836), (1072, 234627), (1182, 212792), (1191, 211184), (1576, 159594), (1588, 158388), (1608, 156418), (2364, 106396), (2382, 105592), (3152, 79797), (3176, 79194), (3216, 78209), (4728, 53198), (4764, 52796), (6352, 39597), (9456, 26599), (9528, 26398), (13199, 19056)]