123271720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 128

約数和(自身を含む): 340381440

約数和(自身を除く): 217109720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 440, 460, 506, 520, 572, 598, 715, 920, 937, 1012, 1144, 1196, 1265, 1430, 1495, 1874, 2024, 2392, 2530, 2860, 2990, 3289, 3748, 4685, 5060, 5720, 5980, 6578, 7496, 9370, 10120, 10307, 11960, 12181, 13156, 16445, 18740, 20614, 21551, 24362, 26312, 32890, 37480, 41228, 43102, 48724, 51535, 60905, 65780, 82456, 86204, 97448, 103070, 107755, 121810, 131560, 133991, 172408, 206140, 215510, 237061, 243620, 267982, 280163, 412280, 431020, 474122, 487240, 535964, 560326, 669955, 862040, 948244, 1071928, 1120652, 1185305, 1339910, 1400815, 1896488, 2241304, 2370610, 2679820, 2801630, 3081793, 4741220, 5359640, 5603260, 6163586, 9482440, 11206520, 12327172, 15408965, 24654344, 30817930, 61635860, 123271720]

約数ペア:

[(1, 123271720), (2, 61635860), (4, 30817930), (5, 24654344), (8, 15408965), (10, 12327172), (11, 11206520), (13, 9482440), (20, 6163586), (22, 5603260), (23, 5359640), (26, 4741220), (40, 3081793), (44, 2801630), (46, 2679820), (52, 2370610), (55, 2241304), (65, 1896488), (88, 1400815), (92, 1339910), (104, 1185305), (110, 1120652), (115, 1071928), (130, 948244), (143, 862040), (184, 669955), (220, 560326), (230, 535964), (253, 487240), (260, 474122), (286, 431020), (299, 412280), (440, 280163), (460, 267982), (506, 243620), (520, 237061), (572, 215510), (598, 206140), (715, 172408), (920, 133991), (937, 131560), (1012, 121810), (1144, 107755), (1196, 103070), (1265, 97448), (1430, 86204), (1495, 82456), (1874, 65780), (2024, 60905), (2392, 51535), (2530, 48724), (2860, 43102), (2990, 41228), (3289, 37480), (3748, 32890), (4685, 26312), (5060, 24362), (5720, 21551), (5980, 20614), (6578, 18740), (7496, 16445), (9370, 13156), (10120, 12181), (10307, 11960)]