21191125680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{3727}}^1$

素因数の和:3948

約数の個数: 240

約数和(自身を含む): 73015862400

約数和(自身を除く): 51824736720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 149, 159, 180, 212, 240, 265, 298, 318, 360, 424, 447, 477, 530, 596, 636, 720, 745, 795, 848, 894, 954, 1060, 1192, 1272, 1341, 1490, 1590, 1788, 1908, 2120, 2235, 2384, 2385, 2544, 2682, 2980, 3180, 3576, 3727, 3816, 4240, 4470, 4770, 5364, 5960, 6360, 6705, 7152, 7454, 7632, 7897, 8940, 9540, 10728, 11181, 11920, 12720, 13410, 14908, 15794, 17880, 18635, 19080, 21456, 22362, 23691, 26820, 29816, 31588, 33543, 35760, 37270, 38160, 39485, 44724, 47382, 53640, 55905, 59632, 63176, 67086, 71073, 74540, 78970, 89448, 94764, 107280, 111810, 118455, 126352, 134172, 142146, 149080, 157940, 167715, 178896, 189528, 197531, 223620, 236910, 268344, 284292, 298160, 315880, 335430, 355365, 379056, 395062, 447240, 473820, 536688, 555323, 568584, 592593, 631760, 670860, 710730, 790124, 894480, 947640, 987655, 1110646, 1137168, 1185186, 1341720, 1421460, 1580248, 1665969, 1777779, 1895280, 1975310, 2221292, 2370372, 2683440, 2776615, 2842920, 2962965, 3160496, 3331938, 3555558, 3950620, 4442584, 4740744, 4997907, 5553230, 5685840, 5925930, 6663876, 7111116, 7901240, 8329845, 8885168, 8888895, 9481488, 9995814, 11106460, 11851860, 13327752, 14222232, 15802480, 16659690, 17777790, 19991628, 22212920, 23703720, 24989535, 26655504, 28444464, 29432119, 33319380, 35555580, 39983256, 44425840, 47407440, 49979070, 58864238, 66638760, 71111160, 79966512, 88296357, 99958140, 117728476, 133277520, 142222320, 147160595, 176592714, 199916280, 235456952, 264889071, 294321190, 353185428, 399832560, 441481785, 470913904, 529778142, 588642380, 706370856, 882963570, 1059556284, 1177284760, 1324445355, 1412741712, 1765927140, 2119112568, 2354569520, 2648890710, 3531854280, 4238225136, 5297781420, 7063708560, 10595562840, 21191125680]

約数ペア:

[(1, 21191125680), (2, 10595562840), (3, 7063708560), (4, 5297781420), (5, 4238225136), (6, 3531854280), (8, 2648890710), (9, 2354569520), (10, 2119112568), (12, 1765927140), (15, 1412741712), (16, 1324445355), (18, 1177284760), (20, 1059556284), (24, 882963570), (30, 706370856), (36, 588642380), (40, 529778142), (45, 470913904), (48, 441481785), (53, 399832560), (60, 353185428), (72, 294321190), (80, 264889071), (90, 235456952), (106, 199916280), (120, 176592714), (144, 147160595), (149, 142222320), (159, 133277520), (180, 117728476), (212, 99958140), (240, 88296357), (265, 79966512), (298, 71111160), (318, 66638760), (360, 58864238), (424, 49979070), (447, 47407440), (477, 44425840), (530, 39983256), (596, 35555580), (636, 33319380), (720, 29432119), (745, 28444464), (795, 26655504), (848, 24989535), (894, 23703720), (954, 22212920), (1060, 19991628), (1192, 17777790), (1272, 16659690), (1341, 15802480), (1490, 14222232), (1590, 13327752), (1788, 11851860), (1908, 11106460), (2120, 9995814), (2235, 9481488), (2384, 8888895), (2385, 8885168), (2544, 8329845), (2682, 7901240), (2980, 7111116), (3180, 6663876), (3576, 5925930), (3727, 5685840), (3816, 5553230), (4240, 4997907), (4470, 4740744), (4770, 4442584), (5364, 3950620), (5960, 3555558), (6360, 3331938), (6705, 3160496), (7152, 2962965), (7454, 2842920), (7632, 2776615), (7897, 2683440), (8940, 2370372), (9540, 2221292), (10728, 1975310), (11181, 1895280), (11920, 1777779), (12720, 1665969), (13410, 1580248), (14908, 1421460), (15794, 1341720), (17880, 1185186), (18635, 1137168), (19080, 1110646), (21456, 987655), (22362, 947640), (23691, 894480), (26820, 790124), (29816, 710730), (31588, 670860), (33543, 631760), (35760, 592593), (37270, 568584), (38160, 555323), (39485, 536688), (44724, 473820), (47382, 447240), (53640, 395062), (55905, 379056), (59632, 355365), (63176, 335430), (67086, 315880), (71073, 298160), (74540, 284292), (78970, 268344), (89448, 236910), (94764, 223620), (107280, 197531), (111810, 189528), (118455, 178896), (126352, 167715), (134172, 157940), (142146, 149080)]