140858760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2749}}^1$

素因数の和:2831

約数の個数: 128

約数和(自身を含む): 491040000

約数和(自身を除く): 350181240

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, 2749, 3416, 3660, 4270, 5124, 5498, 6405, 7320, 8247, 8540, 10248, 10996, 12810, 13745, 16494, 17080, 19243, 21992, 25620, 27490, 32988, 38486, 41235, 51240, 54980, 57729, 65976, 76972, 82470, 96215, 109960, 115458, 153944, 164940, 167689, 192430, 230916, 288645, 329880, 335378, 384860, 461832, 503067, 577290, 670756, 769720, 838445, 1006134, 1154580, 1173823, 1341512, 1676890, 2012268, 2309160, 2347646, 2515335, 3353780, 3521469, 4024536, 4695292, 5030670, 5869115, 6707560, 7042938, 9390584, 10061340, 11738230, 14085876, 17607345, 20122680, 23476460, 28171752, 35214690, 46952920, 70429380, 140858760]

約数ペア:

[(1, 140858760), (2, 70429380), (3, 46952920), (4, 35214690), (5, 28171752), (6, 23476460), (7, 20122680), (8, 17607345), (10, 14085876), (12, 11738230), (14, 10061340), (15, 9390584), (20, 7042938), (21, 6707560), (24, 5869115), (28, 5030670), (30, 4695292), (35, 4024536), (40, 3521469), (42, 3353780), (56, 2515335), (60, 2347646), (61, 2309160), (70, 2012268), (84, 1676890), (105, 1341512), (120, 1173823), (122, 1154580), (140, 1006134), (168, 838445), (183, 769720), (210, 670756), (244, 577290), (280, 503067), (305, 461832), (366, 384860), (420, 335378), (427, 329880), (488, 288645), (610, 230916), (732, 192430), (840, 167689), (854, 164940), (915, 153944), (1220, 115458), (1281, 109960), (1464, 96215), (1708, 82470), (1830, 76972), (2135, 65976), (2440, 57729), (2562, 54980), (2749, 51240), (3416, 41235), (3660, 38486), (4270, 32988), (5124, 27490), (5498, 25620), (6405, 21992), (7320, 19243), (8247, 17080), (8540, 16494), (10248, 13745), (10996, 12810)]