201421320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:635

約数の個数: 128

約数和(自身を含む): 627056640

約数和(自身を除く): 425635320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 188, 213, 235, 282, 284, 355, 376, 426, 470, 503, 564, 568, 705, 710, 852, 940, 1006, 1065, 1128, 1410, 1420, 1509, 1704, 1880, 2012, 2130, 2515, 2820, 2840, 3018, 3337, 4024, 4260, 5030, 5640, 6036, 6674, 7545, 8520, 10011, 10060, 12072, 13348, 15090, 16685, 20022, 20120, 23641, 26696, 30180, 33370, 35713, 40044, 47282, 50055, 60360, 66740, 70923, 71426, 80088, 94564, 100110, 107139, 118205, 133480, 141846, 142852, 178565, 189128, 200220, 214278, 236410, 283692, 285704, 354615, 357130, 400440, 428556, 472820, 535695, 567384, 709230, 714260, 857112, 945640, 1071390, 1418460, 1428520, 1678511, 2142780, 2836920, 3357022, 4285560, 5035533, 6714044, 8392555, 10071066, 13428088, 16785110, 20142132, 25177665, 33570220, 40284264, 50355330, 67140440, 100710660, 201421320]

約数ペア:

[(1, 201421320), (2, 100710660), (3, 67140440), (4, 50355330), (5, 40284264), (6, 33570220), (8, 25177665), (10, 20142132), (12, 16785110), (15, 13428088), (20, 10071066), (24, 8392555), (30, 6714044), (40, 5035533), (47, 4285560), (60, 3357022), (71, 2836920), (94, 2142780), (120, 1678511), (141, 1428520), (142, 1418460), (188, 1071390), (213, 945640), (235, 857112), (282, 714260), (284, 709230), (355, 567384), (376, 535695), (426, 472820), (470, 428556), (503, 400440), (564, 357130), (568, 354615), (705, 285704), (710, 283692), (852, 236410), (940, 214278), (1006, 200220), (1065, 189128), (1128, 178565), (1410, 142852), (1420, 141846), (1509, 133480), (1704, 118205), (1880, 107139), (2012, 100110), (2130, 94564), (2515, 80088), (2820, 71426), (2840, 70923), (3018, 66740), (3337, 60360), (4024, 50055), (4260, 47282), (5030, 40044), (5640, 35713), (6036, 33370), (6674, 30180), (7545, 26696), (8520, 23641), (10011, 20120), (10060, 20022), (12072, 16685), (13348, 15090)]