66688860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 229985280

約数和(自身を除く): 163296420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 61, 70, 76, 84, 95, 105, 114, 122, 133, 137, 140, 183, 190, 210, 228, 244, 266, 274, 285, 305, 366, 380, 399, 411, 420, 427, 532, 548, 570, 610, 665, 685, 732, 798, 822, 854, 915, 959, 1140, 1159, 1220, 1281, 1330, 1370, 1596, 1644, 1708, 1830, 1918, 1995, 2055, 2135, 2318, 2562, 2603, 2660, 2740, 2877, 3477, 3660, 3836, 3990, 4110, 4270, 4636, 4795, 5124, 5206, 5754, 5795, 6405, 6954, 7809, 7980, 8113, 8220, 8357, 8540, 9590, 10412, 11508, 11590, 12810, 13015, 13908, 14385, 15618, 16226, 16714, 17385, 18221, 19180, 23180, 24339, 25071, 25620, 26030, 28770, 31236, 32452, 33428, 34770, 36442, 39045, 40565, 41785, 48678, 50142, 52060, 54663, 57540, 58499, 69540, 72884, 78090, 81130, 83570, 91105, 97356, 100284, 109326, 116998, 121695, 125355, 156180, 158783, 162260, 167140, 175497, 182210, 218652, 233996, 243390, 250710, 273315, 292495, 317566, 350994, 364420, 476349, 486780, 501420, 546630, 584990, 635132, 701988, 793915, 877485, 952698, 1093260, 1111481, 1169980, 1587830, 1754970, 1905396, 2222962, 2381745, 3175660, 3334443, 3509940, 4445924, 4763490, 5557405, 6668886, 9526980, 11114810, 13337772, 16672215, 22229620, 33344430, 66688860]

約数ペア:

[(1, 66688860), (2, 33344430), (3, 22229620), (4, 16672215), (5, 13337772), (6, 11114810), (7, 9526980), (10, 6668886), (12, 5557405), (14, 4763490), (15, 4445924), (19, 3509940), (20, 3334443), (21, 3175660), (28, 2381745), (30, 2222962), (35, 1905396), (38, 1754970), (42, 1587830), (57, 1169980), (60, 1111481), (61, 1093260), (70, 952698), (76, 877485), (84, 793915), (95, 701988), (105, 635132), (114, 584990), (122, 546630), (133, 501420), (137, 486780), (140, 476349), (183, 364420), (190, 350994), (210, 317566), (228, 292495), (244, 273315), (266, 250710), (274, 243390), (285, 233996), (305, 218652), (366, 182210), (380, 175497), (399, 167140), (411, 162260), (420, 158783), (427, 156180), (532, 125355), (548, 121695), (570, 116998), (610, 109326), (665, 100284), (685, 97356), (732, 91105), (798, 83570), (822, 81130), (854, 78090), (915, 72884), (959, 69540), (1140, 58499), (1159, 57540), (1220, 54663), (1281, 52060), (1330, 50142), (1370, 48678), (1596, 41785), (1644, 40565), (1708, 39045), (1830, 36442), (1918, 34770), (1995, 33428), (2055, 32452), (2135, 31236), (2318, 28770), (2562, 26030), (2603, 25620), (2660, 25071), (2740, 24339), (2877, 23180), (3477, 19180), (3660, 18221), (3836, 17385), (3990, 16714), (4110, 16226), (4270, 15618), (4636, 14385), (4795, 13908), (5124, 13015), (5206, 12810), (5754, 11590), (5795, 11508), (6405, 10412), (6954, 9590), (7809, 8540), (7980, 8357), (8113, 8220)]