240147720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1220

約数の個数: 128

約数和(自身を含む): 804816000

約数和(自身を除く): 564668280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 229, 270, 360, 458, 540, 687, 916, 971, 1080, 1145, 1374, 1832, 1942, 2061, 2290, 2748, 2913, 3435, 3884, 4122, 4580, 4855, 5496, 5826, 6183, 6870, 7768, 8244, 8739, 9160, 9710, 10305, 11652, 12366, 13740, 14565, 16488, 17478, 19420, 20610, 23304, 24732, 26217, 27480, 29130, 30915, 34956, 38840, 41220, 43695, 49464, 52434, 58260, 61830, 69912, 82440, 87390, 104868, 116520, 123660, 131085, 174780, 209736, 222359, 247320, 262170, 349560, 444718, 524340, 667077, 889436, 1048680, 1111795, 1334154, 1778872, 2001231, 2223590, 2668308, 3335385, 4002462, 4447180, 5336616, 6003693, 6670770, 8004924, 8894360, 10006155, 12007386, 13341540, 16009848, 20012310, 24014772, 26683080, 30018465, 40024620, 48029544, 60036930, 80049240, 120073860, 240147720]

約数ペア:

[(1, 240147720), (2, 120073860), (3, 80049240), (4, 60036930), (5, 48029544), (6, 40024620), (8, 30018465), (9, 26683080), (10, 24014772), (12, 20012310), (15, 16009848), (18, 13341540), (20, 12007386), (24, 10006155), (27, 8894360), (30, 8004924), (36, 6670770), (40, 6003693), (45, 5336616), (54, 4447180), (60, 4002462), (72, 3335385), (90, 2668308), (108, 2223590), (120, 2001231), (135, 1778872), (180, 1334154), (216, 1111795), (229, 1048680), (270, 889436), (360, 667077), (458, 524340), (540, 444718), (687, 349560), (916, 262170), (971, 247320), (1080, 222359), (1145, 209736), (1374, 174780), (1832, 131085), (1942, 123660), (2061, 116520), (2290, 104868), (2748, 87390), (2913, 82440), (3435, 69912), (3884, 61830), (4122, 58260), (4580, 52434), (4855, 49464), (5496, 43695), (5826, 41220), (6183, 38840), (6870, 34956), (7768, 30915), (8244, 29130), (8739, 27480), (9160, 26217), (9710, 24732), (10305, 23304), (11652, 20610), (12366, 19420), (13740, 17478), (14565, 16488)]