309678720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 256

約数和(自身を含む): 1120694400

約数和(自身を除く): 811015680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 128, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 260, 285, 304, 312, 320, 380, 384, 390, 416, 456, 480, 494, 520, 570, 608, 624, 640, 653, 741, 760, 780, 832, 912, 960, 988, 1040, 1140, 1216, 1235, 1248, 1306, 1482, 1520, 1560, 1664, 1824, 1920, 1959, 1976, 2080, 2280, 2432, 2470, 2496, 2612, 2964, 3040, 3120, 3265, 3648, 3705, 3918, 3952, 4160, 4560, 4940, 4992, 5224, 5928, 6080, 6240, 6530, 7296, 7410, 7836, 7904, 8320, 8489, 9120, 9795, 9880, 10448, 11856, 12160, 12407, 12480, 13060, 14820, 15672, 15808, 16978, 18240, 19590, 19760, 20896, 23712, 24814, 24960, 25467, 26120, 29640, 31344, 31616, 33956, 36480, 37221, 39180, 39520, 41792, 42445, 47424, 49628, 50934, 52240, 59280, 62035, 62688, 67912, 74442, 78360, 79040, 83584, 84890, 94848, 99256, 101868, 104480, 118560, 124070, 125376, 127335, 135824, 148884, 156720, 158080, 161291, 169780, 186105, 198512, 203736, 208960, 237120, 248140, 250752, 254670, 271648, 297768, 313440, 322582, 339560, 372210, 397024, 407472, 417920, 474240, 483873, 496280, 509340, 543296, 595536, 626880, 645164, 679120, 744420, 794048, 806455, 814944, 967746, 992560, 1018680, 1086592, 1191072, 1253760, 1290328, 1358240, 1488840, 1588096, 1612910, 1629888, 1935492, 1985120, 2037360, 2382144, 2419365, 2580656, 2716480, 2977680, 3225820, 3259776, 3870984, 3970240, 4074720, 4764288, 4838730, 5161312, 5432960, 5955360, 6451640, 7741968, 7940480, 8149440, 9677460, 10322624, 11910720, 12903280, 15483936, 16298880, 19354920, 20645248, 23821440, 25806560, 30967872, 38709840, 51613120, 61935744, 77419680, 103226240, 154839360, 309678720]

約数ペア:

[(1, 309678720), (2, 154839360), (3, 103226240), (4, 77419680), (5, 61935744), (6, 51613120), (8, 38709840), (10, 30967872), (12, 25806560), (13, 23821440), (15, 20645248), (16, 19354920), (19, 16298880), (20, 15483936), (24, 12903280), (26, 11910720), (30, 10322624), (32, 9677460), (38, 8149440), (39, 7940480), (40, 7741968), (48, 6451640), (52, 5955360), (57, 5432960), (60, 5161312), (64, 4838730), (65, 4764288), (76, 4074720), (78, 3970240), (80, 3870984), (95, 3259776), (96, 3225820), (104, 2977680), (114, 2716480), (120, 2580656), (128, 2419365), (130, 2382144), (152, 2037360), (156, 1985120), (160, 1935492), (190, 1629888), (192, 1612910), (195, 1588096), (208, 1488840), (228, 1358240), (240, 1290328), (247, 1253760), (260, 1191072), (285, 1086592), (304, 1018680), (312, 992560), (320, 967746), (380, 814944), (384, 806455), (390, 794048), (416, 744420), (456, 679120), (480, 645164), (494, 626880), (520, 595536), (570, 543296), (608, 509340), (624, 496280), (640, 483873), (653, 474240), (741, 417920), (760, 407472), (780, 397024), (832, 372210), (912, 339560), (960, 322582), (988, 313440), (1040, 297768), (1140, 271648), (1216, 254670), (1235, 250752), (1248, 248140), (1306, 237120), (1482, 208960), (1520, 203736), (1560, 198512), (1664, 186105), (1824, 169780), (1920, 161291), (1959, 158080), (1976, 156720), (2080, 148884), (2280, 135824), (2432, 127335), (2470, 125376), (2496, 124070), (2612, 118560), (2964, 104480), (3040, 101868), (3120, 99256), (3265, 94848), (3648, 84890), (3705, 83584), (3918, 79040), (3952, 78360), (4160, 74442), (4560, 67912), (4940, 62688), (4992, 62035), (5224, 59280), (5928, 52240), (6080, 50934), (6240, 49628), (6530, 47424), (7296, 42445), (7410, 41792), (7836, 39520), (7904, 39180), (8320, 37221), (8489, 36480), (9120, 33956), (9795, 31616), (9880, 31344), (10448, 29640), (11856, 26120), (12160, 25467), (12407, 24960), (12480, 24814), (13060, 23712), (14820, 20896), (15672, 19760), (15808, 19590), (16978, 18240)]