1315484520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25673}}^1$

素因数の和:25755

約数の個数: 128

約数和(自身を含む): 4584349440

約数和(自身を除く): 3268864920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8540, 10248, 12810, 17080, 25620, 25673, 51240, 51346, 77019, 102692, 128365, 154038, 179711, 205384, 256730, 308076, 359422, 385095, 513460, 539133, 616152, 718844, 770190, 898555, 1026920, 1078266, 1437688, 1540380, 1566053, 1797110, 2156532, 2695665, 3080760, 3132106, 3594220, 4313064, 4698159, 5391330, 6264212, 7188440, 7830265, 9396318, 10782660, 10962371, 12528424, 15660530, 18792636, 21565320, 21924742, 23490795, 31321060, 32887113, 37585272, 43849484, 46981590, 54811855, 62642120, 65774226, 87698968, 93963180, 109623710, 131548452, 164435565, 187926360, 219247420, 263096904, 328871130, 438494840, 657742260, 1315484520]

約数ペア:

[(1, 1315484520), (2, 657742260), (3, 438494840), (4, 328871130), (5, 263096904), (6, 219247420), (7, 187926360), (8, 164435565), (10, 131548452), (12, 109623710), (14, 93963180), (15, 87698968), (20, 65774226), (21, 62642120), (24, 54811855), (28, 46981590), (30, 43849484), (35, 37585272), (40, 32887113), (42, 31321060), (56, 23490795), (60, 21924742), (61, 21565320), (70, 18792636), (84, 15660530), (105, 12528424), (120, 10962371), (122, 10782660), (140, 9396318), (168, 7830265), (183, 7188440), (210, 6264212), (244, 5391330), (280, 4698159), (305, 4313064), (366, 3594220), (420, 3132106), (427, 3080760), (488, 2695665), (610, 2156532), (732, 1797110), (840, 1566053), (854, 1540380), (915, 1437688), (1220, 1078266), (1281, 1026920), (1464, 898555), (1708, 770190), (1830, 718844), (2135, 616152), (2440, 539133), (2562, 513460), (3416, 385095), (3660, 359422), (4270, 308076), (5124, 256730), (6405, 205384), (7320, 179711), (8540, 154038), (10248, 128365), (12810, 102692), (17080, 77019), (25620, 51346), (25673, 51240)]