1420007960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1109}}^1$

素因数の和:1413

約数の個数: 128

約数和(自身を含む): 3884112000

約数和(自身を除く): 2464104040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 269, 280, 340, 476, 538, 595, 680, 952, 1076, 1109, 1190, 1345, 1883, 2152, 2218, 2380, 2690, 3766, 4436, 4573, 4760, 5380, 5545, 7532, 7763, 8872, 9146, 9415, 10760, 11090, 15064, 15526, 18292, 18830, 18853, 22180, 22865, 31052, 32011, 36584, 37660, 37706, 38815, 44360, 45730, 62104, 64022, 75320, 75412, 77630, 91460, 94265, 128044, 131971, 150824, 155260, 160055, 182920, 188530, 256088, 263942, 298321, 310520, 320110, 377060, 527884, 596642, 640220, 659855, 754120, 1055768, 1193284, 1280440, 1319710, 1491605, 2088247, 2386568, 2639420, 2983210, 4176494, 5071457, 5278840, 5966420, 8352988, 10142914, 10441235, 11932840, 16705976, 20285828, 20882470, 25357285, 35500199, 40571656, 41764940, 50714570, 71000398, 83529880, 101429140, 142000796, 177500995, 202858280, 284001592, 355001990, 710003980, 1420007960]

約数ペア:

[(1, 1420007960), (2, 710003980), (4, 355001990), (5, 284001592), (7, 202858280), (8, 177500995), (10, 142000796), (14, 101429140), (17, 83529880), (20, 71000398), (28, 50714570), (34, 41764940), (35, 40571656), (40, 35500199), (56, 25357285), (68, 20882470), (70, 20285828), (85, 16705976), (119, 11932840), (136, 10441235), (140, 10142914), (170, 8352988), (238, 5966420), (269, 5278840), (280, 5071457), (340, 4176494), (476, 2983210), (538, 2639420), (595, 2386568), (680, 2088247), (952, 1491605), (1076, 1319710), (1109, 1280440), (1190, 1193284), (1345, 1055768), (1883, 754120), (2152, 659855), (2218, 640220), (2380, 596642), (2690, 527884), (3766, 377060), (4436, 320110), (4573, 310520), (4760, 298321), (5380, 263942), (5545, 256088), (7532, 188530), (7763, 182920), (8872, 160055), (9146, 155260), (9415, 150824), (10760, 131971), (11090, 128044), (15064, 94265), (15526, 91460), (18292, 77630), (18830, 75412), (18853, 75320), (22180, 64022), (22865, 62104), (31052, 45730), (32011, 44360), (36584, 38815), (37660, 37706)]