420071680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 1160861184

約数和(自身を除く): 740789504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 173, 224, 256, 271, 280, 320, 346, 448, 542, 560, 640, 692, 865, 896, 1084, 1120, 1211, 1280, 1355, 1384, 1730, 1792, 1897, 2168, 2240, 2422, 2710, 2768, 3460, 3794, 4336, 4480, 4844, 5420, 5536, 6055, 6920, 7588, 8672, 8960, 9485, 9688, 10840, 11072, 12110, 13840, 15176, 17344, 18970, 19376, 21680, 22144, 24220, 27680, 30352, 34688, 37940, 38752, 43360, 44288, 46883, 48440, 55360, 60704, 69376, 75880, 77504, 86720, 93766, 96880, 110720, 121408, 151760, 155008, 173440, 187532, 193760, 221440, 234415, 242816, 303520, 310016, 328181, 346880, 375064, 387520, 468830, 485632, 607040, 656362, 750128, 775040, 937660, 1214080, 1312724, 1500256, 1550080, 1640905, 1875320, 2428160, 2625448, 3000512, 3281810, 3750640, 5250896, 6001024, 6563620, 7501280, 10501792, 12002048, 13127240, 15002560, 21003584, 26254480, 30005120, 42007168, 52508960, 60010240, 84014336, 105017920, 210035840, 420071680]

約数ペア:

[(1, 420071680), (2, 210035840), (4, 105017920), (5, 84014336), (7, 60010240), (8, 52508960), (10, 42007168), (14, 30005120), (16, 26254480), (20, 21003584), (28, 15002560), (32, 13127240), (35, 12002048), (40, 10501792), (56, 7501280), (64, 6563620), (70, 6001024), (80, 5250896), (112, 3750640), (128, 3281810), (140, 3000512), (160, 2625448), (173, 2428160), (224, 1875320), (256, 1640905), (271, 1550080), (280, 1500256), (320, 1312724), (346, 1214080), (448, 937660), (542, 775040), (560, 750128), (640, 656362), (692, 607040), (865, 485632), (896, 468830), (1084, 387520), (1120, 375064), (1211, 346880), (1280, 328181), (1355, 310016), (1384, 303520), (1730, 242816), (1792, 234415), (1897, 221440), (2168, 193760), (2240, 187532), (2422, 173440), (2710, 155008), (2768, 151760), (3460, 121408), (3794, 110720), (4336, 96880), (4480, 93766), (4844, 86720), (5420, 77504), (5536, 75880), (6055, 69376), (6920, 60704), (7588, 55360), (8672, 48440), (8960, 46883), (9485, 44288), (9688, 43360), (10840, 38752), (11072, 37940), (12110, 34688), (13840, 30352), (15176, 27680), (17344, 24220), (18970, 22144), (19376, 21680)]