145308520

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 408385800

約数和(自身を除く): 263077280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 89, 98, 119, 136, 140, 170, 178, 196, 238, 245, 280, 340, 343, 356, 392, 445, 476, 490, 595, 623, 680, 686, 712, 833, 890, 952, 980, 1190, 1246, 1372, 1513, 1666, 1715, 1780, 1960, 2380, 2401, 2492, 2744, 3026, 3115, 3332, 3430, 3560, 4165, 4361, 4760, 4802, 4984, 5831, 6052, 6230, 6664, 6860, 7565, 8330, 8722, 9604, 10591, 11662, 12005, 12104, 12460, 13720, 15130, 16660, 17444, 19208, 21182, 21805, 23324, 24010, 24920, 29155, 30260, 30527, 33320, 34888, 40817, 42364, 43610, 46648, 48020, 52955, 58310, 60520, 61054, 74137, 81634, 84728, 87220, 96040, 105910, 116620, 122108, 148274, 152635, 163268, 174440, 204085, 211820, 213689, 233240, 244216, 296548, 305270, 326536, 370685, 408170, 423640, 427378, 518959, 593096, 610540, 741370, 816340, 854756, 1037918, 1068445, 1221080, 1482740, 1632680, 1709512, 2075836, 2136890, 2594795, 2965480, 3632713, 4151672, 4273780, 5189590, 7265426, 8547560, 10379180, 14530852, 18163565, 20758360, 29061704, 36327130, 72654260, 145308520]

約数ペア:

[(1, 145308520), (2, 72654260), (4, 36327130), (5, 29061704), (7, 20758360), (8, 18163565), (10, 14530852), (14, 10379180), (17, 8547560), (20, 7265426), (28, 5189590), (34, 4273780), (35, 4151672), (40, 3632713), (49, 2965480), (56, 2594795), (68, 2136890), (70, 2075836), (85, 1709512), (89, 1632680), (98, 1482740), (119, 1221080), (136, 1068445), (140, 1037918), (170, 854756), (178, 816340), (196, 741370), (238, 610540), (245, 593096), (280, 518959), (340, 427378), (343, 423640), (356, 408170), (392, 370685), (445, 326536), (476, 305270), (490, 296548), (595, 244216), (623, 233240), (680, 213689), (686, 211820), (712, 204085), (833, 174440), (890, 163268), (952, 152635), (980, 148274), (1190, 122108), (1246, 116620), (1372, 105910), (1513, 96040), (1666, 87220), (1715, 84728), (1780, 81634), (1960, 74137), (2380, 61054), (2401, 60520), (2492, 58310), (2744, 52955), (3026, 48020), (3115, 46648), (3332, 43610), (3430, 42364), (3560, 40817), (4165, 34888), (4361, 33320), (4760, 30527), (4802, 30260), (4984, 29155), (5831, 24920), (6052, 24010), (6230, 23324), (6664, 21805), (6860, 21182), (7565, 19208), (8330, 17444), (8722, 16660), (9604, 15130), (10591, 13720), (11662, 12460), (12005, 12104)]