291025560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1741}}^1$

素因数の和:1961

約数の個数: 128

約数和(自身を含む): 1003392000

約数和(自身を除く): 712366440

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, 199, 210, 280, 398, 420, 597, 796, 840, 995, 1194, 1393, 1592, 1741, 1990, 2388, 2786, 2985, 3482, 3980, 4179, 4776, 5223, 5572, 5970, 6964, 6965, 7960, 8358, 8705, 10446, 11144, 11940, 12187, 13928, 13930, 16716, 17410, 20892, 20895, 23880, 24374, 26115, 27860, 33432, 34820, 36561, 41784, 41790, 48748, 52230, 55720, 60935, 69640, 73122, 83580, 97496, 104460, 121870, 146244, 167160, 182805, 208920, 243740, 292488, 346459, 365610, 487480, 692918, 731220, 1039377, 1385836, 1462440, 1732295, 2078754, 2425213, 2771672, 3464590, 4157508, 4850426, 5196885, 6929180, 7275639, 8315016, 9700852, 10393770, 12126065, 13858360, 14551278, 19401704, 20787540, 24252130, 29102556, 36378195, 41575080, 48504260, 58205112, 72756390, 97008520, 145512780, 291025560]

約数ペア:

[(1, 291025560), (2, 145512780), (3, 97008520), (4, 72756390), (5, 58205112), (6, 48504260), (7, 41575080), (8, 36378195), (10, 29102556), (12, 24252130), (14, 20787540), (15, 19401704), (20, 14551278), (21, 13858360), (24, 12126065), (28, 10393770), (30, 9700852), (35, 8315016), (40, 7275639), (42, 6929180), (56, 5196885), (60, 4850426), (70, 4157508), (84, 3464590), (105, 2771672), (120, 2425213), (140, 2078754), (168, 1732295), (199, 1462440), (210, 1385836), (280, 1039377), (398, 731220), (420, 692918), (597, 487480), (796, 365610), (840, 346459), (995, 292488), (1194, 243740), (1393, 208920), (1592, 182805), (1741, 167160), (1990, 146244), (2388, 121870), (2786, 104460), (2985, 97496), (3482, 83580), (3980, 73122), (4179, 69640), (4776, 60935), (5223, 55720), (5572, 52230), (5970, 48748), (6964, 41790), (6965, 41784), (7960, 36561), (8358, 34820), (8705, 33432), (10446, 27860), (11144, 26115), (11940, 24374), (12187, 23880), (13928, 20895), (13930, 20892), (16716, 17410)]