1281342720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 288

約数和(自身を含む): 4748228352

約数和(自身を除く): 3466885632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 73, 80, 84, 96, 105, 112, 120, 128, 140, 146, 160, 168, 192, 210, 219, 224, 240, 256, 280, 292, 320, 336, 365, 384, 420, 438, 448, 480, 511, 560, 584, 640, 653, 672, 730, 768, 840, 876, 896, 960, 1022, 1095, 1120, 1168, 1280, 1306, 1344, 1460, 1533, 1680, 1752, 1792, 1920, 1959, 2044, 2190, 2240, 2336, 2555, 2612, 2688, 2920, 3066, 3265, 3360, 3504, 3840, 3918, 4088, 4380, 4480, 4571, 4672, 5110, 5224, 5376, 5840, 6132, 6530, 6720, 7008, 7665, 7836, 8176, 8760, 8960, 9142, 9344, 9795, 10220, 10448, 11680, 12264, 13060, 13440, 13713, 14016, 15330, 15672, 16352, 17520, 18284, 18688, 19590, 20440, 20896, 22855, 23360, 24528, 26120, 26880, 27426, 28032, 30660, 31344, 32704, 35040, 36568, 39180, 40880, 41792, 45710, 46720, 47669, 49056, 52240, 54852, 56064, 61320, 62688, 65408, 68565, 70080, 73136, 78360, 81760, 83584, 91420, 93440, 95338, 98112, 104480, 109704, 122640, 125376, 130816, 137130, 140160, 143007, 146272, 156720, 163520, 167168, 182840, 190676, 196224, 208960, 219408, 238345, 245280, 250752, 274260, 280320, 286014, 292544, 313440, 327040, 333683, 365680, 381352, 392448, 417920, 438816, 476690, 490560, 501504, 548520, 572028, 585088, 626880, 654080, 667366, 715035, 731360, 762704, 835840, 877632, 953380, 981120, 1001049, 1097040, 1144056, 1170176, 1253760, 1334732, 1430070, 1462720, 1525408, 1668415, 1755264, 1906760, 1962240, 2002098, 2194080, 2288112, 2507520, 2669464, 2860140, 2925440, 3050816, 3336830, 3510528, 3813520, 4004196, 4388160, 4576224, 5005245, 5338928, 5720280, 5850880, 6101632, 6673660, 7627040, 8008392, 8776320, 9152448, 10010490, 10677856, 11440560, 12203264, 13347320, 15254080, 16016784, 17552640, 18304896, 20020980, 21355712, 22881120, 26694640, 30508160, 32033568, 36609792, 40041960, 42711424, 45762240, 53389280, 61016320, 64067136, 80083920, 85422848, 91524480, 106778560, 128134272, 160167840, 183048960, 213557120, 256268544, 320335680, 427114240, 640671360, 1281342720]

約数ペア:

[(1, 1281342720), (2, 640671360), (3, 427114240), (4, 320335680), (5, 256268544), (6, 213557120), (7, 183048960), (8, 160167840), (10, 128134272), (12, 106778560), (14, 91524480), (15, 85422848), (16, 80083920), (20, 64067136), (21, 61016320), (24, 53389280), (28, 45762240), (30, 42711424), (32, 40041960), (35, 36609792), (40, 32033568), (42, 30508160), (48, 26694640), (56, 22881120), (60, 21355712), (64, 20020980), (70, 18304896), (73, 17552640), (80, 16016784), (84, 15254080), (96, 13347320), (105, 12203264), (112, 11440560), (120, 10677856), (128, 10010490), (140, 9152448), (146, 8776320), (160, 8008392), (168, 7627040), (192, 6673660), (210, 6101632), (219, 5850880), (224, 5720280), (240, 5338928), (256, 5005245), (280, 4576224), (292, 4388160), (320, 4004196), (336, 3813520), (365, 3510528), (384, 3336830), (420, 3050816), (438, 2925440), (448, 2860140), (480, 2669464), (511, 2507520), (560, 2288112), (584, 2194080), (640, 2002098), (653, 1962240), (672, 1906760), (730, 1755264), (768, 1668415), (840, 1525408), (876, 1462720), (896, 1430070), (960, 1334732), (1022, 1253760), (1095, 1170176), (1120, 1144056), (1168, 1097040), (1280, 1001049), (1306, 981120), (1344, 953380), (1460, 877632), (1533, 835840), (1680, 762704), (1752, 731360), (1792, 715035), (1920, 667366), (1959, 654080), (2044, 626880), (2190, 585088), (2240, 572028), (2336, 548520), (2555, 501504), (2612, 490560), (2688, 476690), (2920, 438816), (3066, 417920), (3265, 392448), (3360, 381352), (3504, 365680), (3840, 333683), (3918, 327040), (4088, 313440), (4380, 292544), (4480, 286014), (4571, 280320), (4672, 274260), (5110, 250752), (5224, 245280), (5376, 238345), (5840, 219408), (6132, 208960), (6530, 196224), (6720, 190676), (7008, 182840), (7665, 167168), (7836, 163520), (8176, 156720), (8760, 146272), (8960, 143007), (9142, 140160), (9344, 137130), (9795, 130816), (10220, 125376), (10448, 122640), (11680, 109704), (12264, 104480), (13060, 98112), (13440, 95338), (13713, 93440), (14016, 91420), (15330, 83584), (15672, 81760), (16352, 78360), (17520, 73136), (18284, 70080), (18688, 68565), (19590, 65408), (20440, 62688), (20896, 61320), (22855, 56064), (23360, 54852), (24528, 52240), (26120, 49056), (26880, 47669), (27426, 46720), (28032, 45710), (30660, 41792), (31344, 40880), (32704, 39180), (35040, 36568)]