505655360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:261

約数の個数: 168

約数和(自身を含む): 1461942720

約数和(自身を除く): 956287360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 109, 112, 133, 140, 152, 160, 190, 218, 224, 266, 280, 304, 320, 380, 436, 448, 532, 545, 560, 608, 665, 760, 763, 872, 1064, 1090, 1120, 1216, 1330, 1520, 1526, 1744, 2071, 2128, 2180, 2240, 2660, 3040, 3052, 3488, 3815, 4142, 4256, 4360, 5320, 6080, 6104, 6976, 7630, 8284, 8512, 8720, 10355, 10640, 11881, 12208, 14497, 15260, 16568, 17440, 20710, 21280, 23762, 24416, 28994, 30520, 33136, 34880, 41420, 42560, 47524, 48832, 57988, 59405, 61040, 66272, 72485, 82840, 83167, 95048, 115976, 118810, 122080, 132544, 144970, 165680, 166334, 190096, 225739, 231952, 237620, 244160, 289940, 331360, 332668, 380192, 415835, 451478, 463904, 475240, 579880, 662720, 665336, 760384, 831670, 902956, 927808, 950480, 1128695, 1159760, 1330672, 1580173, 1663340, 1805912, 1900960, 2257390, 2319520, 2661344, 3160346, 3326680, 3611824, 3801920, 4514780, 4639040, 5322688, 6320692, 6653360, 7223648, 7900865, 9029560, 12641384, 13306720, 14447296, 15801730, 18059120, 25282768, 26613440, 31603460, 36118240, 50565536, 63206920, 72236480, 101131072, 126413840, 252827680, 505655360]

約数ペア:

[(1, 505655360), (2, 252827680), (4, 126413840), (5, 101131072), (7, 72236480), (8, 63206920), (10, 50565536), (14, 36118240), (16, 31603460), (19, 26613440), (20, 25282768), (28, 18059120), (32, 15801730), (35, 14447296), (38, 13306720), (40, 12641384), (56, 9029560), (64, 7900865), (70, 7223648), (76, 6653360), (80, 6320692), (95, 5322688), (109, 4639040), (112, 4514780), (133, 3801920), (140, 3611824), (152, 3326680), (160, 3160346), (190, 2661344), (218, 2319520), (224, 2257390), (266, 1900960), (280, 1805912), (304, 1663340), (320, 1580173), (380, 1330672), (436, 1159760), (448, 1128695), (532, 950480), (545, 927808), (560, 902956), (608, 831670), (665, 760384), (760, 665336), (763, 662720), (872, 579880), (1064, 475240), (1090, 463904), (1120, 451478), (1216, 415835), (1330, 380192), (1520, 332668), (1526, 331360), (1744, 289940), (2071, 244160), (2128, 237620), (2180, 231952), (2240, 225739), (2660, 190096), (3040, 166334), (3052, 165680), (3488, 144970), (3815, 132544), (4142, 122080), (4256, 118810), (4360, 115976), (5320, 95048), (6080, 83167), (6104, 82840), (6976, 72485), (7630, 66272), (8284, 61040), (8512, 59405), (8720, 57988), (10355, 48832), (10640, 47524), (11881, 42560), (12208, 41420), (14497, 34880), (15260, 33136), (16568, 30520), (17440, 28994), (20710, 24416), (21280, 23762)]