638923320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3666

約数の個数: 192

約数和(自身を含む): 2407242240

約数和(自身を除く): 1768318920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 840, 852, 994, 1065, 1260, 1278, 1420, 1491, 1704, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3571, 3976, 4260, 4473, 4970, 5112, 5964, 6390, 7142, 7455, 8520, 8946, 9940, 10713, 11928, 12780, 14284, 14910, 17855, 17892, 19880, 21426, 22365, 24997, 25560, 28568, 29820, 32139, 35710, 35784, 42852, 44730, 49994, 53565, 59640, 64278, 71420, 74991, 85704, 89460, 99988, 107130, 124985, 128556, 142840, 149982, 160695, 178920, 199976, 214260, 224973, 249970, 253541, 257112, 299964, 321390, 374955, 428520, 449946, 499940, 507082, 599928, 642780, 749910, 760623, 899892, 999880, 1014164, 1124865, 1267705, 1285560, 1499820, 1521246, 1774787, 1799784, 2028328, 2249730, 2281869, 2535410, 2999640, 3042492, 3549574, 3803115, 4499460, 4563738, 5070820, 5324361, 6084984, 7099148, 7606230, 8873935, 8998920, 9127476, 10141640, 10648722, 11409345, 14198296, 15212460, 15973083, 17747870, 18254952, 21297444, 22818690, 26621805, 30424920, 31946166, 35495740, 42594888, 45637380, 53243610, 63892332, 70991480, 79865415, 91274760, 106487220, 127784664, 159730830, 212974440, 319461660, 638923320]

約数ペア:

[(1, 638923320), (2, 319461660), (3, 212974440), (4, 159730830), (5, 127784664), (6, 106487220), (7, 91274760), (8, 79865415), (9, 70991480), (10, 63892332), (12, 53243610), (14, 45637380), (15, 42594888), (18, 35495740), (20, 31946166), (21, 30424920), (24, 26621805), (28, 22818690), (30, 21297444), (35, 18254952), (36, 17747870), (40, 15973083), (42, 15212460), (45, 14198296), (56, 11409345), (60, 10648722), (63, 10141640), (70, 9127476), (71, 8998920), (72, 8873935), (84, 7606230), (90, 7099148), (105, 6084984), (120, 5324361), (126, 5070820), (140, 4563738), (142, 4499460), (168, 3803115), (180, 3549574), (210, 3042492), (213, 2999640), (252, 2535410), (280, 2281869), (284, 2249730), (315, 2028328), (355, 1799784), (360, 1774787), (420, 1521246), (426, 1499820), (497, 1285560), (504, 1267705), (568, 1124865), (630, 1014164), (639, 999880), (710, 899892), (840, 760623), (852, 749910), (994, 642780), (1065, 599928), (1260, 507082), (1278, 499940), (1420, 449946), (1491, 428520), (1704, 374955), (1988, 321390), (2130, 299964), (2485, 257112), (2520, 253541), (2556, 249970), (2840, 224973), (2982, 214260), (3195, 199976), (3571, 178920), (3976, 160695), (4260, 149982), (4473, 142840), (4970, 128556), (5112, 124985), (5964, 107130), (6390, 99988), (7142, 89460), (7455, 85704), (8520, 74991), (8946, 71420), (9940, 64278), (10713, 59640), (11928, 53565), (12780, 49994), (14284, 44730), (14910, 42852), (17855, 35784), (17892, 35710), (19880, 32139), (21426, 29820), (22365, 28568), (24997, 25560)]