261829440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:649

約数の個数: 168

約数和(自身を含む): 906795240

約数和(自身を除く): 644965800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 229, 240, 288, 320, 360, 397, 458, 480, 576, 687, 720, 794, 916, 960, 1145, 1191, 1374, 1440, 1588, 1832, 1985, 2061, 2290, 2382, 2748, 2880, 3176, 3435, 3573, 3664, 3970, 4122, 4580, 4764, 5496, 5955, 6352, 6870, 7146, 7328, 7940, 8244, 9160, 9528, 10305, 10992, 11910, 12704, 13740, 14292, 14656, 15880, 16488, 17865, 18320, 19056, 20610, 21984, 23820, 25408, 27480, 28584, 31760, 32976, 35730, 36640, 38112, 41220, 43968, 47640, 54960, 57168, 63520, 65952, 71460, 73280, 76224, 82440, 90913, 95280, 109920, 114336, 127040, 131904, 142920, 164880, 181826, 190560, 219840, 228672, 272739, 285840, 329760, 363652, 381120, 454565, 545478, 571680, 659520, 727304, 818217, 909130, 1090956, 1143360, 1363695, 1454608, 1636434, 1818260, 2181912, 2727390, 2909216, 3272868, 3636520, 4091085, 4363824, 5454780, 5818432, 6545736, 7273040, 8182170, 8727648, 10909560, 13091472, 14546080, 16364340, 17455296, 21819120, 26182944, 29092160, 32728680, 43638240, 52365888, 65457360, 87276480, 130914720, 261829440]

約数ペア:

[(1, 261829440), (2, 130914720), (3, 87276480), (4, 65457360), (5, 52365888), (6, 43638240), (8, 32728680), (9, 29092160), (10, 26182944), (12, 21819120), (15, 17455296), (16, 16364340), (18, 14546080), (20, 13091472), (24, 10909560), (30, 8727648), (32, 8182170), (36, 7273040), (40, 6545736), (45, 5818432), (48, 5454780), (60, 4363824), (64, 4091085), (72, 3636520), (80, 3272868), (90, 2909216), (96, 2727390), (120, 2181912), (144, 1818260), (160, 1636434), (180, 1454608), (192, 1363695), (229, 1143360), (240, 1090956), (288, 909130), (320, 818217), (360, 727304), (397, 659520), (458, 571680), (480, 545478), (576, 454565), (687, 381120), (720, 363652), (794, 329760), (916, 285840), (960, 272739), (1145, 228672), (1191, 219840), (1374, 190560), (1440, 181826), (1588, 164880), (1832, 142920), (1985, 131904), (2061, 127040), (2290, 114336), (2382, 109920), (2748, 95280), (2880, 90913), (3176, 82440), (3435, 76224), (3573, 73280), (3664, 71460), (3970, 65952), (4122, 63520), (4580, 57168), (4764, 54960), (5496, 47640), (5955, 43968), (6352, 41220), (6870, 38112), (7146, 36640), (7328, 35730), (7940, 32976), (8244, 31760), (9160, 28584), (9528, 27480), (10305, 25408), (10992, 23820), (11910, 21984), (12704, 20610), (13740, 19056), (14292, 18320), (14656, 17865), (15880, 16488)]