51784880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 150466560

約数和(自身を除く): 98681680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 157, 190, 217, 248, 266, 280, 304, 310, 314, 380, 434, 496, 532, 560, 589, 620, 628, 665, 760, 785, 868, 1064, 1085, 1099, 1178, 1240, 1256, 1330, 1520, 1570, 1736, 2128, 2170, 2198, 2356, 2480, 2512, 2660, 2945, 2983, 3140, 3472, 4123, 4340, 4396, 4712, 4867, 5320, 5495, 5890, 5966, 6280, 8246, 8680, 8792, 9424, 9734, 10640, 10990, 11780, 11932, 12560, 14915, 16492, 17360, 17584, 19468, 20615, 20881, 21980, 23560, 23864, 24335, 29830, 32984, 34069, 38936, 41230, 41762, 43960, 47120, 47728, 48670, 59660, 65968, 68138, 77872, 82460, 83524, 87920, 92473, 97340, 104405, 119320, 136276, 164920, 167048, 170345, 184946, 194680, 208810, 238640, 272552, 329840, 334096, 340690, 369892, 389360, 417620, 462365, 545104, 647311, 681380, 739784, 835240, 924730, 1294622, 1362760, 1479568, 1670480, 1849460, 2589244, 2725520, 3236555, 3698920, 5178488, 6473110, 7397840, 10356976, 12946220, 25892440, 51784880]

約数ペア:

[(1, 51784880), (2, 25892440), (4, 12946220), (5, 10356976), (7, 7397840), (8, 6473110), (10, 5178488), (14, 3698920), (16, 3236555), (19, 2725520), (20, 2589244), (28, 1849460), (31, 1670480), (35, 1479568), (38, 1362760), (40, 1294622), (56, 924730), (62, 835240), (70, 739784), (76, 681380), (80, 647311), (95, 545104), (112, 462365), (124, 417620), (133, 389360), (140, 369892), (152, 340690), (155, 334096), (157, 329840), (190, 272552), (217, 238640), (248, 208810), (266, 194680), (280, 184946), (304, 170345), (310, 167048), (314, 164920), (380, 136276), (434, 119320), (496, 104405), (532, 97340), (560, 92473), (589, 87920), (620, 83524), (628, 82460), (665, 77872), (760, 68138), (785, 65968), (868, 59660), (1064, 48670), (1085, 47728), (1099, 47120), (1178, 43960), (1240, 41762), (1256, 41230), (1330, 38936), (1520, 34069), (1570, 32984), (1736, 29830), (2128, 24335), (2170, 23864), (2198, 23560), (2356, 21980), (2480, 20881), (2512, 20615), (2660, 19468), (2945, 17584), (2983, 17360), (3140, 16492), (3472, 14915), (4123, 12560), (4340, 11932), (4396, 11780), (4712, 10990), (4867, 10640), (5320, 9734), (5495, 9424), (5890, 8792), (5966, 8680), (6280, 8246)]