645356460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1220

約数の個数: 144

約数和(自身を含む): 2113461504

約数和(自身を除く): 1468105044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 227, 245, 294, 420, 454, 490, 588, 681, 735, 908, 967, 980, 1135, 1362, 1470, 1589, 1934, 2270, 2724, 2901, 2940, 3178, 3405, 3868, 4540, 4767, 4835, 5802, 6356, 6769, 6810, 7945, 9534, 9670, 11123, 11604, 13538, 13620, 14505, 15890, 19068, 19340, 20307, 22246, 23835, 27076, 29010, 31780, 33369, 33845, 40614, 44492, 47383, 47670, 55615, 58020, 66738, 67690, 81228, 94766, 95340, 101535, 111230, 133476, 135380, 142149, 166845, 189532, 203070, 219509, 222460, 236915, 284298, 333690, 406140, 439018, 473830, 568596, 658527, 667380, 710745, 878036, 947660, 1097545, 1317054, 1421490, 1536563, 2195090, 2634108, 2842980, 3073126, 3292635, 4390180, 4609689, 6146252, 6585270, 7682815, 9219378, 10755941, 13170540, 15365630, 18438756, 21511882, 23048445, 30731260, 32267823, 43023764, 46096890, 53779705, 64535646, 92193780, 107559410, 129071292, 161339115, 215118820, 322678230, 645356460]

約数ペア:

[(1, 645356460), (2, 322678230), (3, 215118820), (4, 161339115), (5, 129071292), (6, 107559410), (7, 92193780), (10, 64535646), (12, 53779705), (14, 46096890), (15, 43023764), (20, 32267823), (21, 30731260), (28, 23048445), (30, 21511882), (35, 18438756), (42, 15365630), (49, 13170540), (60, 10755941), (70, 9219378), (84, 7682815), (98, 6585270), (105, 6146252), (140, 4609689), (147, 4390180), (196, 3292635), (210, 3073126), (227, 2842980), (245, 2634108), (294, 2195090), (420, 1536563), (454, 1421490), (490, 1317054), (588, 1097545), (681, 947660), (735, 878036), (908, 710745), (967, 667380), (980, 658527), (1135, 568596), (1362, 473830), (1470, 439018), (1589, 406140), (1934, 333690), (2270, 284298), (2724, 236915), (2901, 222460), (2940, 219509), (3178, 203070), (3405, 189532), (3868, 166845), (4540, 142149), (4767, 135380), (4835, 133476), (5802, 111230), (6356, 101535), (6769, 95340), (6810, 94766), (7945, 81228), (9534, 67690), (9670, 66738), (11123, 58020), (11604, 55615), (13538, 47670), (13620, 47383), (14505, 44492), (15890, 40614), (19068, 33845), (19340, 33369), (20307, 31780), (22246, 29010), (23835, 27076)]