418510720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 128

約数和(自身を含む): 1065369600

約数和(自身を除く): 646858880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 128, 152, 160, 190, 254, 271, 304, 320, 380, 508, 542, 608, 635, 640, 760, 1016, 1084, 1216, 1270, 1355, 1520, 2032, 2168, 2413, 2432, 2540, 2710, 3040, 4064, 4336, 4826, 5080, 5149, 5420, 6080, 8128, 8672, 9652, 10160, 10298, 10840, 12065, 12160, 16256, 17344, 19304, 20320, 20596, 21680, 24130, 25745, 34417, 34688, 38608, 40640, 41192, 43360, 48260, 51490, 68834, 77216, 81280, 82384, 86720, 96520, 102980, 137668, 154432, 164768, 172085, 173440, 193040, 205960, 275336, 308864, 329536, 344170, 386080, 411920, 550672, 653923, 659072, 688340, 772160, 823840, 1101344, 1307846, 1376680, 1544320, 1647680, 2202688, 2615692, 2753360, 3269615, 3295360, 4405376, 5231384, 5506720, 6539230, 10462768, 11013440, 13078460, 20925536, 22026880, 26156920, 41851072, 52313840, 83702144, 104627680, 209255360, 418510720]

約数ペア:

[(1, 418510720), (2, 209255360), (4, 104627680), (5, 83702144), (8, 52313840), (10, 41851072), (16, 26156920), (19, 22026880), (20, 20925536), (32, 13078460), (38, 11013440), (40, 10462768), (64, 6539230), (76, 5506720), (80, 5231384), (95, 4405376), (127, 3295360), (128, 3269615), (152, 2753360), (160, 2615692), (190, 2202688), (254, 1647680), (271, 1544320), (304, 1376680), (320, 1307846), (380, 1101344), (508, 823840), (542, 772160), (608, 688340), (635, 659072), (640, 653923), (760, 550672), (1016, 411920), (1084, 386080), (1216, 344170), (1270, 329536), (1355, 308864), (1520, 275336), (2032, 205960), (2168, 193040), (2413, 173440), (2432, 172085), (2540, 164768), (2710, 154432), (3040, 137668), (4064, 102980), (4336, 96520), (4826, 86720), (5080, 82384), (5149, 81280), (5420, 77216), (6080, 68834), (8128, 51490), (8672, 48260), (9652, 43360), (10160, 41192), (10298, 40640), (10840, 38608), (12065, 34688), (12160, 34417), (16256, 25745), (17344, 24130), (19304, 21680), (20320, 20596)]