478597840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1521

約数の個数: 160

約数和(自身を含む): 1382768640

約数和(自身を除く): 904170800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1451, 1520, 1736, 2128, 2170, 2356, 2480, 2660, 2902, 2945, 3472, 4123, 4340, 4712, 5320, 5804, 5890, 7255, 8246, 8680, 9424, 10157, 10640, 11608, 11780, 14510, 16492, 17360, 20314, 20615, 23216, 23560, 27569, 29020, 32984, 40628, 41230, 44981, 47120, 50785, 55138, 58040, 65968, 81256, 82460, 89962, 101570, 110276, 116080, 137845, 162512, 164920, 179924, 192983, 203140, 220552, 224905, 275690, 314867, 329840, 359848, 385966, 406280, 441104, 449810, 551380, 629734, 719696, 771932, 812560, 854639, 899620, 964915, 1102760, 1259468, 1543864, 1574335, 1709278, 1799240, 1929830, 2205520, 2518936, 3087728, 3148670, 3418556, 3598480, 3859660, 4273195, 5037872, 5982473, 6297340, 6837112, 7719320, 8546390, 11964946, 12594680, 13674224, 15438640, 17092780, 23929892, 25189360, 29912365, 34185560, 47859784, 59824730, 68371120, 95719568, 119649460, 239298920, 478597840]

約数ペア:

[(1, 478597840), (2, 239298920), (4, 119649460), (5, 95719568), (7, 68371120), (8, 59824730), (10, 47859784), (14, 34185560), (16, 29912365), (19, 25189360), (20, 23929892), (28, 17092780), (31, 15438640), (35, 13674224), (38, 12594680), (40, 11964946), (56, 8546390), (62, 7719320), (70, 6837112), (76, 6297340), (80, 5982473), (95, 5037872), (112, 4273195), (124, 3859660), (133, 3598480), (140, 3418556), (152, 3148670), (155, 3087728), (190, 2518936), (217, 2205520), (248, 1929830), (266, 1799240), (280, 1709278), (304, 1574335), (310, 1543864), (380, 1259468), (434, 1102760), (496, 964915), (532, 899620), (560, 854639), (589, 812560), (620, 771932), (665, 719696), (760, 629734), (868, 551380), (1064, 449810), (1085, 441104), (1178, 406280), (1240, 385966), (1330, 359848), (1451, 329840), (1520, 314867), (1736, 275690), (2128, 224905), (2170, 220552), (2356, 203140), (2480, 192983), (2660, 179924), (2902, 164920), (2945, 162512), (3472, 137845), (4123, 116080), (4340, 110276), (4712, 101570), (5320, 89962), (5804, 82460), (5890, 81256), (7255, 65968), (8246, 58040), (8680, 55138), (9424, 50785), (10157, 47120), (10640, 44981), (11608, 41230), (11780, 40628), (14510, 32984), (16492, 29020), (17360, 27569), (20314, 23560), (20615, 23216)]