251212680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1933}}^1$

素因数の和:1988

約数の個数: 144

約数和(自身を含む): 862119180

約数和(自身を除く): 610906500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 361, 380, 456, 570, 684, 722, 760, 855, 1083, 1140, 1368, 1444, 1710, 1805, 1933, 2166, 2280, 2888, 3249, 3420, 3610, 3866, 4332, 5415, 5799, 6498, 6840, 7220, 7732, 8664, 9665, 10830, 11598, 12996, 14440, 15464, 16245, 17397, 19330, 21660, 23196, 25992, 28995, 32490, 34794, 36727, 38660, 43320, 46392, 57990, 64980, 69588, 73454, 77320, 86985, 110181, 115980, 129960, 139176, 146908, 173970, 183635, 220362, 231960, 293816, 330543, 347940, 367270, 440724, 550905, 661086, 695880, 697813, 734540, 881448, 1101810, 1322172, 1395626, 1469080, 1652715, 2093439, 2203620, 2644344, 2791252, 3305430, 3489065, 4186878, 4407240, 5582504, 6280317, 6610860, 6978130, 8373756, 10467195, 12560634, 13221720, 13956260, 16747512, 20934390, 25121268, 27912520, 31401585, 41868780, 50242536, 62803170, 83737560, 125606340, 251212680]

約数ペア:

[(1, 251212680), (2, 125606340), (3, 83737560), (4, 62803170), (5, 50242536), (6, 41868780), (8, 31401585), (9, 27912520), (10, 25121268), (12, 20934390), (15, 16747512), (18, 13956260), (19, 13221720), (20, 12560634), (24, 10467195), (30, 8373756), (36, 6978130), (38, 6610860), (40, 6280317), (45, 5582504), (57, 4407240), (60, 4186878), (72, 3489065), (76, 3305430), (90, 2791252), (95, 2644344), (114, 2203620), (120, 2093439), (152, 1652715), (171, 1469080), (180, 1395626), (190, 1322172), (228, 1101810), (285, 881448), (342, 734540), (360, 697813), (361, 695880), (380, 661086), (456, 550905), (570, 440724), (684, 367270), (722, 347940), (760, 330543), (855, 293816), (1083, 231960), (1140, 220362), (1368, 183635), (1444, 173970), (1710, 146908), (1805, 139176), (1933, 129960), (2166, 115980), (2280, 110181), (2888, 86985), (3249, 77320), (3420, 73454), (3610, 69588), (3866, 64980), (4332, 57990), (5415, 46392), (5799, 43320), (6498, 38660), (6840, 36727), (7220, 34794), (7732, 32490), (8664, 28995), (9665, 25992), (10830, 23196), (11598, 21660), (12996, 19330), (14440, 17397), (15464, 16245)]