321754580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 870912000

約数和(自身を除く): 549157420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 49, 62, 68, 70, 85, 89, 98, 119, 124, 140, 155, 170, 178, 196, 217, 238, 245, 310, 340, 343, 356, 434, 445, 476, 490, 527, 595, 620, 623, 686, 833, 868, 890, 980, 1054, 1085, 1190, 1246, 1372, 1513, 1519, 1666, 1715, 1780, 2108, 2170, 2380, 2492, 2635, 2759, 3026, 3038, 3115, 3332, 3430, 3689, 4165, 4340, 4361, 5270, 5518, 5831, 6052, 6076, 6230, 6860, 7378, 7565, 7595, 8330, 8722, 10540, 10591, 10633, 11036, 11662, 12460, 13795, 14756, 15130, 15190, 16660, 17444, 18445, 19313, 21182, 21266, 21805, 23324, 25823, 27590, 29155, 30260, 30380, 30527, 36890, 38626, 42364, 42532, 43610, 46903, 51646, 52955, 53165, 55180, 58310, 61054, 73780, 74137, 77252, 87220, 93806, 96565, 103292, 105910, 106330, 116620, 122108, 129115, 135191, 148274, 152635, 180761, 187612, 193130, 211820, 212660, 234515, 258230, 270382, 296548, 305270, 328321, 361522, 370685, 386260, 469030, 516460, 518959, 540764, 610540, 656642, 675955, 723044, 741370, 903805, 938060, 946337, 1037918, 1313284, 1351910, 1482740, 1641605, 1807610, 1892674, 2075836, 2298247, 2594795, 2703820, 3283210, 3615220, 3785348, 4596494, 4731685, 5189590, 6566420, 9192988, 9463370, 10379180, 11491235, 16087729, 18926740, 22982470, 32175458, 45964940, 64350916, 80438645, 160877290, 321754580]

約数ペア:

[(1, 321754580), (2, 160877290), (4, 80438645), (5, 64350916), (7, 45964940), (10, 32175458), (14, 22982470), (17, 18926740), (20, 16087729), (28, 11491235), (31, 10379180), (34, 9463370), (35, 9192988), (49, 6566420), (62, 5189590), (68, 4731685), (70, 4596494), (85, 3785348), (89, 3615220), (98, 3283210), (119, 2703820), (124, 2594795), (140, 2298247), (155, 2075836), (170, 1892674), (178, 1807610), (196, 1641605), (217, 1482740), (238, 1351910), (245, 1313284), (310, 1037918), (340, 946337), (343, 938060), (356, 903805), (434, 741370), (445, 723044), (476, 675955), (490, 656642), (527, 610540), (595, 540764), (620, 518959), (623, 516460), (686, 469030), (833, 386260), (868, 370685), (890, 361522), (980, 328321), (1054, 305270), (1085, 296548), (1190, 270382), (1246, 258230), (1372, 234515), (1513, 212660), (1519, 211820), (1666, 193130), (1715, 187612), (1780, 180761), (2108, 152635), (2170, 148274), (2380, 135191), (2492, 129115), (2635, 122108), (2759, 116620), (3026, 106330), (3038, 105910), (3115, 103292), (3332, 96565), (3430, 93806), (3689, 87220), (4165, 77252), (4340, 74137), (4361, 73780), (5270, 61054), (5518, 58310), (5831, 55180), (6052, 53165), (6076, 52955), (6230, 51646), (6860, 46903), (7378, 43610), (7565, 42532), (7595, 42364), (8330, 38626), (8722, 36890), (10540, 30527), (10591, 30380), (10633, 30260), (11036, 29155), (11662, 27590), (12460, 25823), (13795, 23324), (14756, 21805), (15130, 21266), (15190, 21182), (16660, 19313), (17444, 18445)]