643516020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{1489}}^1$

素因数の和:1532

約数の個数: 180

約数和(自身を含む): 2278725540

約数和(自身を除く): 1635209520

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1489, 1715, 1764, 2058, 2205, 2401, 2940, 2978, 3087, 3430, 4116, 4410, 4467, 4802, 5145, 5956, 6174, 6860, 7203, 7445, 8820, 8934, 9604, 10290, 10423, 12005, 12348, 13401, 14406, 14890, 15435, 17868, 20580, 20846, 21609, 22335, 24010, 26802, 28812, 29780, 30870, 31269, 36015, 41692, 43218, 44670, 48020, 52115, 53604, 61740, 62538, 67005, 72030, 72961, 86436, 89340, 93807, 104230, 108045, 125076, 134010, 144060, 145922, 156345, 187614, 208460, 216090, 218883, 268020, 291844, 312690, 364805, 375228, 432180, 437766, 469035, 510727, 625380, 656649, 729610, 875532, 938070, 1021454, 1094415, 1313298, 1459220, 1532181, 1876140, 2042908, 2188830, 2553635, 2626596, 3064362, 3283245, 3575089, 4377660, 4596543, 5107270, 6128724, 6566490, 7150178, 7660905, 9193086, 10214540, 10725267, 13132980, 14300356, 15321810, 17875445, 18386172, 21450534, 22982715, 30643620, 32175801, 35750890, 42901068, 45965430, 53626335, 64351602, 71501780, 91930860, 107252670, 128703204, 160879005, 214505340, 321758010, 643516020]

約数ペア:

[(1, 643516020), (2, 321758010), (3, 214505340), (4, 160879005), (5, 128703204), (6, 107252670), (7, 91930860), (9, 71501780), (10, 64351602), (12, 53626335), (14, 45965430), (15, 42901068), (18, 35750890), (20, 32175801), (21, 30643620), (28, 22982715), (30, 21450534), (35, 18386172), (36, 17875445), (42, 15321810), (45, 14300356), (49, 13132980), (60, 10725267), (63, 10214540), (70, 9193086), (84, 7660905), (90, 7150178), (98, 6566490), (105, 6128724), (126, 5107270), (140, 4596543), (147, 4377660), (180, 3575089), (196, 3283245), (210, 3064362), (245, 2626596), (252, 2553635), (294, 2188830), (315, 2042908), (343, 1876140), (420, 1532181), (441, 1459220), (490, 1313298), (588, 1094415), (630, 1021454), (686, 938070), (735, 875532), (882, 729610), (980, 656649), (1029, 625380), (1260, 510727), (1372, 469035), (1470, 437766), (1489, 432180), (1715, 375228), (1764, 364805), (2058, 312690), (2205, 291844), (2401, 268020), (2940, 218883), (2978, 216090), (3087, 208460), (3430, 187614), (4116, 156345), (4410, 145922), (4467, 144060), (4802, 134010), (5145, 125076), (5956, 108045), (6174, 104230), (6860, 93807), (7203, 89340), (7445, 86436), (8820, 72961), (8934, 72030), (9604, 67005), (10290, 62538), (10423, 61740), (12005, 53604), (12348, 52115), (13401, 48020), (14406, 44670), (14890, 43218), (15435, 41692), (17868, 36015), (20580, 31269), (20846, 30870), (21609, 29780), (22335, 28812), (24010, 26802)]