252827680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 725215680

約数和(自身を除く): 472388000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 109, 112, 133, 140, 152, 160, 190, 218, 224, 266, 280, 304, 380, 436, 532, 545, 560, 608, 665, 760, 763, 872, 1064, 1090, 1120, 1330, 1520, 1526, 1744, 2071, 2128, 2180, 2660, 3040, 3052, 3488, 3815, 4142, 4256, 4360, 5320, 6104, 7630, 8284, 8720, 10355, 10640, 11881, 12208, 14497, 15260, 16568, 17440, 20710, 21280, 23762, 24416, 28994, 30520, 33136, 41420, 47524, 57988, 59405, 61040, 66272, 72485, 82840, 83167, 95048, 115976, 118810, 122080, 144970, 165680, 166334, 190096, 225739, 231952, 237620, 289940, 331360, 332668, 380192, 415835, 451478, 463904, 475240, 579880, 665336, 831670, 902956, 950480, 1128695, 1159760, 1330672, 1580173, 1663340, 1805912, 1900960, 2257390, 2319520, 2661344, 3160346, 3326680, 3611824, 4514780, 6320692, 6653360, 7223648, 7900865, 9029560, 12641384, 13306720, 15801730, 18059120, 25282768, 31603460, 36118240, 50565536, 63206920, 126413840, 252827680]

約数ペア:

[(1, 252827680), (2, 126413840), (4, 63206920), (5, 50565536), (7, 36118240), (8, 31603460), (10, 25282768), (14, 18059120), (16, 15801730), (19, 13306720), (20, 12641384), (28, 9029560), (32, 7900865), (35, 7223648), (38, 6653360), (40, 6320692), (56, 4514780), (70, 3611824), (76, 3326680), (80, 3160346), (95, 2661344), (109, 2319520), (112, 2257390), (133, 1900960), (140, 1805912), (152, 1663340), (160, 1580173), (190, 1330672), (218, 1159760), (224, 1128695), (266, 950480), (280, 902956), (304, 831670), (380, 665336), (436, 579880), (532, 475240), (545, 463904), (560, 451478), (608, 415835), (665, 380192), (760, 332668), (763, 331360), (872, 289940), (1064, 237620), (1090, 231952), (1120, 225739), (1330, 190096), (1520, 166334), (1526, 165680), (1744, 144970), (2071, 122080), (2128, 118810), (2180, 115976), (2660, 95048), (3040, 83167), (3052, 82840), (3488, 72485), (3815, 66272), (4142, 61040), (4256, 59405), (4360, 57988), (5320, 47524), (6104, 41420), (7630, 33136), (8284, 30520), (8720, 28994), (10355, 24416), (10640, 23762), (11881, 21280), (12208, 20710), (14497, 17440), (15260, 16568)]