279864480

素因数分解:

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

素因数の和:268

約数の個数: 288

約数和(自身を含む): 1045929024

約数和(自身を除く): 766064544

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, 49, 56, 60, 70, 73, 80, 84, 96, 98, 105, 112, 120, 140, 146, 147, 160, 163, 168, 196, 210, 219, 224, 240, 245, 280, 292, 294, 326, 336, 365, 392, 420, 438, 480, 489, 490, 511, 560, 584, 588, 652, 672, 730, 735, 784, 815, 840, 876, 978, 980, 1022, 1095, 1120, 1141, 1168, 1176, 1304, 1460, 1470, 1533, 1568, 1630, 1680, 1752, 1956, 1960, 2044, 2190, 2282, 2336, 2352, 2445, 2555, 2608, 2920, 2940, 3066, 3260, 3360, 3423, 3504, 3577, 3912, 3920, 4088, 4380, 4564, 4704, 4890, 5110, 5216, 5705, 5840, 5880, 6132, 6520, 6846, 7008, 7154, 7665, 7824, 7840, 7987, 8176, 8760, 9128, 9780, 10220, 10731, 11410, 11680, 11760, 11899, 12264, 13040, 13692, 14308, 15330, 15648, 15974, 16352, 17115, 17520, 17885, 18256, 19560, 20440, 21462, 22820, 23520, 23798, 23961, 24528, 26080, 27384, 28616, 30660, 31948, 34230, 35040, 35697, 35770, 36512, 39120, 39935, 40880, 42924, 45640, 47596, 47922, 49056, 53655, 54768, 57232, 59495, 61320, 63896, 68460, 71394, 71540, 78240, 79870, 81760, 83293, 85848, 91280, 95192, 95844, 107310, 109536, 114464, 118990, 119805, 122640, 127792, 136920, 142788, 143080, 159740, 166586, 171696, 178485, 182560, 190384, 191688, 214620, 237980, 239610, 245280, 249879, 255584, 273840, 285576, 286160, 319480, 333172, 343392, 356970, 380768, 383376, 416465, 429240, 475960, 479220, 499758, 547680, 571152, 572320, 583051, 638960, 666344, 713940, 766752, 832930, 858480, 951920, 958440, 999516, 1142304, 1166102, 1249395, 1277920, 1332688, 1427880, 1665860, 1716960, 1749153, 1903840, 1916880, 1999032, 2332204, 2498790, 2665376, 2855760, 2915255, 3331720, 3498306, 3833760, 3998064, 4664408, 4997580, 5711520, 5830510, 6663440, 6996612, 7996128, 8745765, 9328816, 9995160, 11661020, 13326880, 13993224, 17491530, 18657632, 19990320, 23322040, 27986448, 34983060, 39980640, 46644080, 55972896, 69966120, 93288160, 139932240, 279864480]

約数ペア:

[(1, 279864480), (2, 139932240), (3, 93288160), (4, 69966120), (5, 55972896), (6, 46644080), (7, 39980640), (8, 34983060), (10, 27986448), (12, 23322040), (14, 19990320), (15, 18657632), (16, 17491530), (20, 13993224), (21, 13326880), (24, 11661020), (28, 9995160), (30, 9328816), (32, 8745765), (35, 7996128), (40, 6996612), (42, 6663440), (48, 5830510), (49, 5711520), (56, 4997580), (60, 4664408), (70, 3998064), (73, 3833760), (80, 3498306), (84, 3331720), (96, 2915255), (98, 2855760), (105, 2665376), (112, 2498790), (120, 2332204), (140, 1999032), (146, 1916880), (147, 1903840), (160, 1749153), (163, 1716960), (168, 1665860), (196, 1427880), (210, 1332688), (219, 1277920), (224, 1249395), (240, 1166102), (245, 1142304), (280, 999516), (292, 958440), (294, 951920), (326, 858480), (336, 832930), (365, 766752), (392, 713940), (420, 666344), (438, 638960), (480, 583051), (489, 572320), (490, 571152), (511, 547680), (560, 499758), (584, 479220), (588, 475960), (652, 429240), (672, 416465), (730, 383376), (735, 380768), (784, 356970), (815, 343392), (840, 333172), (876, 319480), (978, 286160), (980, 285576), (1022, 273840), (1095, 255584), (1120, 249879), (1141, 245280), (1168, 239610), (1176, 237980), (1304, 214620), (1460, 191688), (1470, 190384), (1533, 182560), (1568, 178485), (1630, 171696), (1680, 166586), (1752, 159740), (1956, 143080), (1960, 142788), (2044, 136920), (2190, 127792), (2282, 122640), (2336, 119805), (2352, 118990), (2445, 114464), (2555, 109536), (2608, 107310), (2920, 95844), (2940, 95192), (3066, 91280), (3260, 85848), (3360, 83293), (3423, 81760), (3504, 79870), (3577, 78240), (3912, 71540), (3920, 71394), (4088, 68460), (4380, 63896), (4564, 61320), (4704, 59495), (4890, 57232), (5110, 54768), (5216, 53655), (5705, 49056), (5840, 47922), (5880, 47596), (6132, 45640), (6520, 42924), (6846, 40880), (7008, 39935), (7154, 39120), (7665, 36512), (7824, 35770), (7840, 35697), (7987, 35040), (8176, 34230), (8760, 31948), (9128, 30660), (9780, 28616), (10220, 27384), (10731, 26080), (11410, 24528), (11680, 23961), (11760, 23798), (11899, 23520), (12264, 22820), (13040, 21462), (13692, 20440), (14308, 19560), (15330, 18256), (15648, 17885), (15974, 17520), (16352, 17115)]