1313141520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:641

約数の個数: 160

約数和(自身を含む): 4156948224

約数和(自身を除く): 2843806704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 241, 292, 311, 365, 438, 482, 584, 622, 723, 730, 876, 933, 964, 1095, 1168, 1205, 1244, 1446, 1460, 1555, 1752, 1866, 1928, 2190, 2410, 2488, 2892, 2920, 3110, 3504, 3615, 3732, 3856, 4380, 4665, 4820, 4976, 5784, 5840, 6220, 7230, 7464, 8760, 9330, 9640, 11568, 12440, 14460, 14928, 17520, 17593, 18660, 19280, 22703, 24880, 28920, 35186, 37320, 45406, 52779, 57840, 68109, 70372, 74640, 74951, 87965, 90812, 105558, 113515, 136218, 140744, 149902, 175930, 181624, 211116, 224853, 227030, 263895, 272436, 281488, 299804, 340545, 351860, 363248, 374755, 422232, 449706, 454060, 527790, 544872, 599608, 681090, 703720, 749510, 844464, 899412, 908120, 1055580, 1089744, 1124265, 1199216, 1362180, 1407440, 1499020, 1798824, 1816240, 2111160, 2248530, 2724360, 2998040, 3597648, 4222320, 4497060, 5448720, 5471423, 5996080, 8994120, 10942846, 16414269, 17988240, 21885692, 27357115, 32828538, 43771384, 54714230, 65657076, 82071345, 87542768, 109428460, 131314152, 164142690, 218856920, 262628304, 328285380, 437713840, 656570760, 1313141520]

約数ペア:

[(1, 1313141520), (2, 656570760), (3, 437713840), (4, 328285380), (5, 262628304), (6, 218856920), (8, 164142690), (10, 131314152), (12, 109428460), (15, 87542768), (16, 82071345), (20, 65657076), (24, 54714230), (30, 43771384), (40, 32828538), (48, 27357115), (60, 21885692), (73, 17988240), (80, 16414269), (120, 10942846), (146, 8994120), (219, 5996080), (240, 5471423), (241, 5448720), (292, 4497060), (311, 4222320), (365, 3597648), (438, 2998040), (482, 2724360), (584, 2248530), (622, 2111160), (723, 1816240), (730, 1798824), (876, 1499020), (933, 1407440), (964, 1362180), (1095, 1199216), (1168, 1124265), (1205, 1089744), (1244, 1055580), (1446, 908120), (1460, 899412), (1555, 844464), (1752, 749510), (1866, 703720), (1928, 681090), (2190, 599608), (2410, 544872), (2488, 527790), (2892, 454060), (2920, 449706), (3110, 422232), (3504, 374755), (3615, 363248), (3732, 351860), (3856, 340545), (4380, 299804), (4665, 281488), (4820, 272436), (4976, 263895), (5784, 227030), (5840, 224853), (6220, 211116), (7230, 181624), (7464, 175930), (8760, 149902), (9330, 140744), (9640, 136218), (11568, 113515), (12440, 105558), (14460, 90812), (14928, 87965), (17520, 74951), (17593, 74640), (18660, 70372), (19280, 68109), (22703, 57840), (24880, 52779), (28920, 45406), (35186, 37320)]