1780496080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1283}}^1$

素因数の和:1409

約数の個数: 160

約数和(自身を含む): 4814691840

約数和(自身を除く): 3034195760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 83, 88, 95, 110, 152, 166, 176, 190, 209, 220, 304, 332, 380, 415, 418, 440, 664, 760, 830, 836, 880, 913, 1045, 1283, 1328, 1520, 1577, 1660, 1672, 1826, 2090, 2566, 3154, 3320, 3344, 3652, 4180, 4565, 5132, 6308, 6415, 6640, 7304, 7885, 8360, 9130, 10264, 12616, 12830, 14113, 14608, 15770, 16720, 17347, 18260, 20528, 24377, 25232, 25660, 28226, 31540, 34694, 36520, 48754, 51320, 56452, 63080, 69388, 70565, 73040, 86735, 97508, 102640, 106489, 112904, 121885, 126160, 138776, 141130, 173470, 195016, 212978, 225808, 243770, 268147, 277552, 282260, 346940, 390032, 425956, 487540, 532445, 536294, 564520, 693880, 851912, 975080, 1064890, 1072588, 1129040, 1171379, 1340735, 1387760, 1703824, 1950160, 2023291, 2129780, 2145176, 2342758, 2681470, 4046582, 4259560, 4290352, 4685516, 5362940, 5856895, 8093164, 8519120, 9371032, 10116455, 10725880, 11713790, 16186328, 18742064, 20232910, 21451760, 22256201, 23427580, 32372656, 40465820, 44512402, 46855160, 80931640, 89024804, 93710320, 111281005, 161863280, 178049608, 222562010, 356099216, 445124020, 890248040, 1780496080]

約数ペア:

[(1, 1780496080), (2, 890248040), (4, 445124020), (5, 356099216), (8, 222562010), (10, 178049608), (11, 161863280), (16, 111281005), (19, 93710320), (20, 89024804), (22, 80931640), (38, 46855160), (40, 44512402), (44, 40465820), (55, 32372656), (76, 23427580), (80, 22256201), (83, 21451760), (88, 20232910), (95, 18742064), (110, 16186328), (152, 11713790), (166, 10725880), (176, 10116455), (190, 9371032), (209, 8519120), (220, 8093164), (304, 5856895), (332, 5362940), (380, 4685516), (415, 4290352), (418, 4259560), (440, 4046582), (664, 2681470), (760, 2342758), (830, 2145176), (836, 2129780), (880, 2023291), (913, 1950160), (1045, 1703824), (1283, 1387760), (1328, 1340735), (1520, 1171379), (1577, 1129040), (1660, 1072588), (1672, 1064890), (1826, 975080), (2090, 851912), (2566, 693880), (3154, 564520), (3320, 536294), (3344, 532445), (3652, 487540), (4180, 425956), (4565, 390032), (5132, 346940), (6308, 282260), (6415, 277552), (6640, 268147), (7304, 243770), (7885, 225808), (8360, 212978), (9130, 195016), (10264, 173470), (12616, 141130), (12830, 138776), (14113, 126160), (14608, 121885), (15770, 112904), (16720, 106489), (17347, 102640), (18260, 97508), (20528, 86735), (24377, 73040), (25232, 70565), (25660, 69388), (28226, 63080), (31540, 56452), (34694, 51320), (36520, 48754)]