251306880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 256

約数和(自身を含む): 891267840

約数和(自身を除く): 639960960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 73, 80, 88, 96, 110, 120, 128, 132, 146, 160, 163, 165, 176, 192, 219, 220, 240, 264, 292, 320, 326, 330, 352, 365, 384, 438, 440, 480, 489, 528, 584, 640, 652, 660, 704, 730, 803, 815, 876, 880, 960, 978, 1056, 1095, 1168, 1304, 1320, 1408, 1460, 1606, 1630, 1752, 1760, 1793, 1920, 1956, 2112, 2190, 2336, 2409, 2445, 2608, 2640, 2920, 3212, 3260, 3504, 3520, 3586, 3912, 4015, 4224, 4380, 4672, 4818, 4890, 5216, 5280, 5379, 5840, 6424, 6520, 7008, 7040, 7172, 7824, 8030, 8760, 8965, 9344, 9636, 9780, 10432, 10560, 10758, 11680, 11899, 12045, 12848, 13040, 14016, 14344, 15648, 16060, 17520, 17930, 19272, 19560, 20864, 21120, 21516, 23360, 23798, 24090, 25696, 26080, 26895, 28032, 28688, 31296, 32120, 35040, 35697, 35860, 38544, 39120, 43032, 46720, 47596, 48180, 51392, 52160, 53790, 57376, 59495, 62592, 64240, 70080, 71394, 71720, 77088, 78240, 86064, 95192, 96360, 102784, 104320, 107580, 114752, 118990, 128480, 130889, 140160, 142788, 143440, 154176, 156480, 172128, 178485, 190384, 192720, 215160, 229504, 237980, 256960, 261778, 285576, 286880, 308352, 312960, 344256, 356970, 380768, 385440, 392667, 430320, 475960, 513920, 523556, 571152, 573760, 654445, 688512, 713940, 761536, 770880, 785334, 860640, 951920, 1047112, 1142304, 1147520, 1308890, 1427880, 1523072, 1541760, 1570668, 1721280, 1903840, 1963335, 2094224, 2284608, 2617780, 2855760, 3141336, 3442560, 3807680, 3926670, 4188448, 4569216, 5235560, 5711520, 6282672, 7615360, 7853340, 8376896, 10471120, 11423040, 12565344, 15706680, 16753792, 20942240, 22846080, 25130688, 31413360, 41884480, 50261376, 62826720, 83768960, 125653440, 251306880]

約数ペア:

[(1, 251306880), (2, 125653440), (3, 83768960), (4, 62826720), (5, 50261376), (6, 41884480), (8, 31413360), (10, 25130688), (11, 22846080), (12, 20942240), (15, 16753792), (16, 15706680), (20, 12565344), (22, 11423040), (24, 10471120), (30, 8376896), (32, 7853340), (33, 7615360), (40, 6282672), (44, 5711520), (48, 5235560), (55, 4569216), (60, 4188448), (64, 3926670), (66, 3807680), (73, 3442560), (80, 3141336), (88, 2855760), (96, 2617780), (110, 2284608), (120, 2094224), (128, 1963335), (132, 1903840), (146, 1721280), (160, 1570668), (163, 1541760), (165, 1523072), (176, 1427880), (192, 1308890), (219, 1147520), (220, 1142304), (240, 1047112), (264, 951920), (292, 860640), (320, 785334), (326, 770880), (330, 761536), (352, 713940), (365, 688512), (384, 654445), (438, 573760), (440, 571152), (480, 523556), (489, 513920), (528, 475960), (584, 430320), (640, 392667), (652, 385440), (660, 380768), (704, 356970), (730, 344256), (803, 312960), (815, 308352), (876, 286880), (880, 285576), (960, 261778), (978, 256960), (1056, 237980), (1095, 229504), (1168, 215160), (1304, 192720), (1320, 190384), (1408, 178485), (1460, 172128), (1606, 156480), (1630, 154176), (1752, 143440), (1760, 142788), (1793, 140160), (1920, 130889), (1956, 128480), (2112, 118990), (2190, 114752), (2336, 107580), (2409, 104320), (2445, 102784), (2608, 96360), (2640, 95192), (2920, 86064), (3212, 78240), (3260, 77088), (3504, 71720), (3520, 71394), (3586, 70080), (3912, 64240), (4015, 62592), (4224, 59495), (4380, 57376), (4672, 53790), (4818, 52160), (4890, 51392), (5216, 48180), (5280, 47596), (5379, 46720), (5840, 43032), (6424, 39120), (6520, 38544), (7008, 35860), (7040, 35697), (7172, 35040), (7824, 32120), (8030, 31296), (8760, 28688), (8965, 28032), (9344, 26895), (9636, 26080), (9780, 25696), (10432, 24090), (10560, 23798), (10758, 23360), (11680, 21516), (11899, 21120), (12045, 20864), (12848, 19560), (13040, 19272), (14016, 17930), (14344, 17520), (15648, 16060)]