2019412920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{2053}}^1$

素因数の和:3245

約数の個数: 128

約数和(自身を含む): 6932989440

約数和(自身を除く): 4913576520

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, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1171, 2053, 2342, 3513, 4106, 4684, 5855, 6159, 7026, 8197, 8212, 9368, 10265, 11710, 12318, 14052, 14371, 16394, 16424, 17565, 20530, 23420, 24591, 24636, 28104, 28742, 30795, 32788, 35130, 40985, 41060, 43113, 46840, 49182, 49272, 57484, 61590, 65576, 70260, 71855, 81970, 82120, 86226, 98364, 114968, 122955, 123180, 140520, 143710, 163940, 172452, 196728, 215565, 245910, 246360, 287420, 327880, 344904, 431130, 491820, 574840, 862260, 983640, 1724520, 2404063, 4808126, 7212189, 9616252, 12020315, 14424378, 16828441, 19232504, 24040630, 28848756, 33656882, 36060945, 48081260, 50485323, 57697512, 67313764, 72121890, 84142205, 96162520, 100970646, 134627528, 144243780, 168284410, 201941292, 252426615, 288487560, 336568820, 403882584, 504853230, 673137640, 1009706460, 2019412920]

約数ペア:

[(1, 2019412920), (2, 1009706460), (3, 673137640), (4, 504853230), (5, 403882584), (6, 336568820), (7, 288487560), (8, 252426615), (10, 201941292), (12, 168284410), (14, 144243780), (15, 134627528), (20, 100970646), (21, 96162520), (24, 84142205), (28, 72121890), (30, 67313764), (35, 57697512), (40, 50485323), (42, 48081260), (56, 36060945), (60, 33656882), (70, 28848756), (84, 24040630), (105, 19232504), (120, 16828441), (140, 14424378), (168, 12020315), (210, 9616252), (280, 7212189), (420, 4808126), (840, 2404063), (1171, 1724520), (2053, 983640), (2342, 862260), (3513, 574840), (4106, 491820), (4684, 431130), (5855, 344904), (6159, 327880), (7026, 287420), (8197, 246360), (8212, 245910), (9368, 215565), (10265, 196728), (11710, 172452), (12318, 163940), (14052, 143710), (14371, 140520), (16394, 123180), (16424, 122955), (17565, 114968), (20530, 98364), (23420, 86226), (24591, 82120), (24636, 81970), (28104, 71855), (28742, 70260), (30795, 65576), (32788, 61590), (35130, 57484), (40985, 49272), (41060, 49182), (43113, 46840)]