251201280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 288

約数和(自身を含む): 924215040

約数和(自身を除く): 673013760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 110, 114, 120, 128, 132, 152, 160, 165, 176, 190, 192, 209, 220, 228, 240, 256, 264, 285, 304, 313, 320, 330, 352, 380, 384, 418, 440, 456, 480, 528, 570, 608, 626, 627, 640, 660, 704, 760, 768, 836, 880, 912, 939, 960, 1045, 1056, 1140, 1216, 1252, 1254, 1280, 1320, 1408, 1520, 1565, 1672, 1760, 1824, 1878, 1920, 2090, 2112, 2280, 2432, 2504, 2508, 2640, 2816, 3040, 3130, 3135, 3344, 3443, 3520, 3648, 3756, 3840, 4180, 4224, 4560, 4695, 4864, 5008, 5016, 5280, 5947, 6080, 6260, 6270, 6688, 6886, 7040, 7296, 7512, 8360, 8448, 9120, 9390, 10016, 10032, 10329, 10560, 11894, 12160, 12520, 12540, 13376, 13772, 14080, 14592, 15024, 16720, 17215, 17841, 18240, 18780, 20032, 20064, 20658, 21120, 23788, 24320, 25040, 25080, 26752, 27544, 29735, 30048, 33440, 34430, 35682, 36480, 37560, 40064, 40128, 41316, 42240, 47576, 50080, 50160, 51645, 53504, 55088, 59470, 60096, 65417, 66880, 68860, 71364, 72960, 75120, 80128, 80256, 82632, 89205, 95152, 100160, 100320, 103290, 110176, 118940, 120192, 130834, 133760, 137720, 142728, 150240, 160512, 165264, 178410, 190304, 196251, 200320, 200640, 206580, 220352, 237880, 240384, 261668, 267520, 275440, 285456, 300480, 327085, 330528, 356820, 380608, 392502, 400640, 401280, 413160, 440704, 475760, 523336, 550880, 570912, 600960, 654170, 661056, 713640, 761216, 785004, 802560, 826320, 881408, 951520, 981255, 1046672, 1101760, 1141824, 1201920, 1308340, 1322112, 1427280, 1522432, 1570008, 1652640, 1903040, 1962510, 2093344, 2203520, 2283648, 2616680, 2644224, 2854560, 3140016, 3305280, 3806080, 3925020, 4186688, 4407040, 4567296, 5233360, 5709120, 6280032, 6610560, 7612160, 7850040, 8373376, 10466720, 11418240, 12560064, 13221120, 15700080, 16746752, 20933440, 22836480, 25120128, 31400160, 41866880, 50240256, 62800320, 83733760, 125600640, 251201280]

約数ペア:

[(1, 251201280), (2, 125600640), (3, 83733760), (4, 62800320), (5, 50240256), (6, 41866880), (8, 31400160), (10, 25120128), (11, 22836480), (12, 20933440), (15, 16746752), (16, 15700080), (19, 13221120), (20, 12560064), (22, 11418240), (24, 10466720), (30, 8373376), (32, 7850040), (33, 7612160), (38, 6610560), (40, 6280032), (44, 5709120), (48, 5233360), (55, 4567296), (57, 4407040), (60, 4186688), (64, 3925020), (66, 3806080), (76, 3305280), (80, 3140016), (88, 2854560), (95, 2644224), (96, 2616680), (110, 2283648), (114, 2203520), (120, 2093344), (128, 1962510), (132, 1903040), (152, 1652640), (160, 1570008), (165, 1522432), (176, 1427280), (190, 1322112), (192, 1308340), (209, 1201920), (220, 1141824), (228, 1101760), (240, 1046672), (256, 981255), (264, 951520), (285, 881408), (304, 826320), (313, 802560), (320, 785004), (330, 761216), (352, 713640), (380, 661056), (384, 654170), (418, 600960), (440, 570912), (456, 550880), (480, 523336), (528, 475760), (570, 440704), (608, 413160), (626, 401280), (627, 400640), (640, 392502), (660, 380608), (704, 356820), (760, 330528), (768, 327085), (836, 300480), (880, 285456), (912, 275440), (939, 267520), (960, 261668), (1045, 240384), (1056, 237880), (1140, 220352), (1216, 206580), (1252, 200640), (1254, 200320), (1280, 196251), (1320, 190304), (1408, 178410), (1520, 165264), (1565, 160512), (1672, 150240), (1760, 142728), (1824, 137720), (1878, 133760), (1920, 130834), (2090, 120192), (2112, 118940), (2280, 110176), (2432, 103290), (2504, 100320), (2508, 100160), (2640, 95152), (2816, 89205), (3040, 82632), (3130, 80256), (3135, 80128), (3344, 75120), (3443, 72960), (3520, 71364), (3648, 68860), (3756, 66880), (3840, 65417), (4180, 60096), (4224, 59470), (4560, 55088), (4695, 53504), (4864, 51645), (5008, 50160), (5016, 50080), (5280, 47576), (5947, 42240), (6080, 41316), (6260, 40128), (6270, 40064), (6688, 37560), (6886, 36480), (7040, 35682), (7296, 34430), (7512, 33440), (8360, 30048), (8448, 29735), (9120, 27544), (9390, 26752), (10016, 25080), (10032, 25040), (10329, 24320), (10560, 23788), (11894, 21120), (12160, 20658), (12520, 20064), (12540, 20032), (13376, 18780), (13772, 18240), (14080, 17841), (14592, 17215), (15024, 16720)]