2145235440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 240

約数和(自身を含む): 7145515872

約数和(自身を除く): 5000280432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 157, 170, 197, 204, 240, 255, 272, 289, 314, 340, 394, 408, 471, 510, 578, 591, 628, 680, 785, 788, 816, 867, 942, 985, 1020, 1156, 1182, 1256, 1360, 1445, 1570, 1576, 1734, 1884, 1970, 2040, 2312, 2355, 2364, 2512, 2669, 2890, 2955, 3140, 3152, 3349, 3468, 3768, 3940, 4080, 4335, 4624, 4710, 4728, 5338, 5780, 5910, 6280, 6698, 6936, 7536, 7880, 8007, 8670, 9420, 9456, 10047, 10676, 11560, 11820, 12560, 13345, 13396, 13872, 15760, 16014, 16745, 17340, 18840, 20094, 21352, 23120, 23640, 26690, 26792, 30929, 32028, 33490, 34680, 37680, 40035, 40188, 42704, 45373, 47280, 50235, 53380, 53584, 56933, 61858, 64056, 66980, 69360, 80070, 80376, 90746, 92787, 100470, 106760, 113866, 123716, 128112, 133960, 136119, 154645, 160140, 160752, 170799, 181492, 185574, 200940, 213520, 226865, 227732, 247432, 267920, 272238, 284665, 309290, 320280, 341598, 362984, 371148, 401880, 453730, 455464, 463935, 494864, 525793, 544476, 569330, 618580, 640560, 680595, 683196, 725968, 742296, 803760, 853995, 907460, 910928, 927870, 1051586, 1088952, 1138660, 1237160, 1361190, 1366392, 1484592, 1577379, 1707990, 1814920, 1855740, 2103172, 2177904, 2277320, 2474320, 2628965, 2722380, 2732784, 3154758, 3415980, 3629840, 3711480, 4206344, 4554640, 5257930, 5444760, 6309516, 6831960, 7422960, 7886895, 8412688, 8938481, 10515860, 10889520, 12619032, 13663920, 15773790, 17876962, 21031720, 25238064, 26815443, 31547580, 35753924, 42063440, 44692405, 53630886, 63095160, 71507848, 89384810, 107261772, 126190320, 134077215, 143015696, 178769620, 214523544, 268154430, 357539240, 429047088, 536308860, 715078480, 1072617720, 2145235440]

約数ペア:

[(1, 2145235440), (2, 1072617720), (3, 715078480), (4, 536308860), (5, 429047088), (6, 357539240), (8, 268154430), (10, 214523544), (12, 178769620), (15, 143015696), (16, 134077215), (17, 126190320), (20, 107261772), (24, 89384810), (30, 71507848), (34, 63095160), (40, 53630886), (48, 44692405), (51, 42063440), (60, 35753924), (68, 31547580), (80, 26815443), (85, 25238064), (102, 21031720), (120, 17876962), (136, 15773790), (157, 13663920), (170, 12619032), (197, 10889520), (204, 10515860), (240, 8938481), (255, 8412688), (272, 7886895), (289, 7422960), (314, 6831960), (340, 6309516), (394, 5444760), (408, 5257930), (471, 4554640), (510, 4206344), (578, 3711480), (591, 3629840), (628, 3415980), (680, 3154758), (785, 2732784), (788, 2722380), (816, 2628965), (867, 2474320), (942, 2277320), (985, 2177904), (1020, 2103172), (1156, 1855740), (1182, 1814920), (1256, 1707990), (1360, 1577379), (1445, 1484592), (1570, 1366392), (1576, 1361190), (1734, 1237160), (1884, 1138660), (1970, 1088952), (2040, 1051586), (2312, 927870), (2355, 910928), (2364, 907460), (2512, 853995), (2669, 803760), (2890, 742296), (2955, 725968), (3140, 683196), (3152, 680595), (3349, 640560), (3468, 618580), (3768, 569330), (3940, 544476), (4080, 525793), (4335, 494864), (4624, 463935), (4710, 455464), (4728, 453730), (5338, 401880), (5780, 371148), (5910, 362984), (6280, 341598), (6698, 320280), (6936, 309290), (7536, 284665), (7880, 272238), (8007, 267920), (8670, 247432), (9420, 227732), (9456, 226865), (10047, 213520), (10676, 200940), (11560, 185574), (11820, 181492), (12560, 170799), (13345, 160752), (13396, 160140), (13872, 154645), (15760, 136119), (16014, 133960), (16745, 128112), (17340, 123716), (18840, 113866), (20094, 106760), (21352, 100470), (23120, 92787), (23640, 90746), (26690, 80376), (26792, 80070), (30929, 69360), (32028, 66980), (33490, 64056), (34680, 61858), (37680, 56933), (40035, 53584), (40188, 53380), (42704, 50235), (45373, 47280)]