397571160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7759}}^1$

素因数の和:7841

約数の個数: 128

約数和(自身を含む): 1385625600

約数和(自身を除く): 988054440

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, 7759, 8540, 10248, 12810, 15518, 17080, 23277, 25620, 31036, 38795, 46554, 51240, 54313, 62072, 77590, 93108, 108626, 116385, 155180, 162939, 186216, 217252, 232770, 271565, 310360, 325878, 434504, 465540, 473299, 543130, 651756, 814695, 931080, 946598, 1086260, 1303512, 1419897, 1629390, 1893196, 2172520, 2366495, 2839794, 3258780, 3313093, 3786392, 4732990, 5679588, 6517560, 6626186, 7099485, 9465980, 9939279, 11359176, 13252372, 14198970, 16565465, 18931960, 19878558, 26504744, 28397940, 33130930, 39757116, 49696395, 56795880, 66261860, 79514232, 99392790, 132523720, 198785580, 397571160]

約数ペア:

[(1, 397571160), (2, 198785580), (3, 132523720), (4, 99392790), (5, 79514232), (6, 66261860), (7, 56795880), (8, 49696395), (10, 39757116), (12, 33130930), (14, 28397940), (15, 26504744), (20, 19878558), (21, 18931960), (24, 16565465), (28, 14198970), (30, 13252372), (35, 11359176), (40, 9939279), (42, 9465980), (56, 7099485), (60, 6626186), (61, 6517560), (70, 5679588), (84, 4732990), (105, 3786392), (120, 3313093), (122, 3258780), (140, 2839794), (168, 2366495), (183, 2172520), (210, 1893196), (244, 1629390), (280, 1419897), (305, 1303512), (366, 1086260), (420, 946598), (427, 931080), (488, 814695), (610, 651756), (732, 543130), (840, 473299), (854, 465540), (915, 434504), (1220, 325878), (1281, 310360), (1464, 271565), (1708, 232770), (1830, 217252), (2135, 186216), (2440, 162939), (2562, 155180), (3416, 116385), (3660, 108626), (4270, 93108), (5124, 77590), (6405, 62072), (7320, 54313), (7759, 51240), (8540, 46554), (10248, 38795), (12810, 31036), (15518, 25620), (17080, 23277)]