257748960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1871}}^1$

素因数の和:1937

約数の個数: 192

約数和(自身を含む): 951035904

約数和(自身を除く): 693286944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 205, 210, 224, 240, 246, 280, 287, 328, 336, 410, 420, 480, 492, 560, 574, 615, 656, 672, 820, 840, 861, 984, 1120, 1148, 1230, 1312, 1435, 1640, 1680, 1722, 1871, 1968, 2296, 2460, 2870, 3280, 3360, 3444, 3742, 3936, 4305, 4592, 4920, 5613, 5740, 6560, 6888, 7484, 8610, 9184, 9355, 9840, 11226, 11480, 13097, 13776, 14968, 17220, 18710, 19680, 22452, 22960, 26194, 27552, 28065, 29936, 34440, 37420, 39291, 44904, 45920, 52388, 56130, 59872, 65485, 68880, 74840, 76711, 78582, 89808, 104776, 112260, 130970, 137760, 149680, 153422, 157164, 179616, 196455, 209552, 224520, 230133, 261940, 299360, 306844, 314328, 383555, 392910, 419104, 449040, 460266, 523880, 536977, 613688, 628656, 767110, 785820, 898080, 920532, 1047760, 1073954, 1150665, 1227376, 1257312, 1534220, 1571640, 1610931, 1841064, 2095520, 2147908, 2301330, 2454752, 2684885, 3068440, 3143280, 3221862, 3682128, 4295816, 4602660, 5369770, 6136880, 6286560, 6443724, 7364256, 8054655, 8591632, 9205320, 10739540, 12273760, 12887448, 16109310, 17183264, 18410640, 21479080, 25774896, 32218620, 36821280, 42958160, 51549792, 64437240, 85916320, 128874480, 257748960]

約数ペア:

[(1, 257748960), (2, 128874480), (3, 85916320), (4, 64437240), (5, 51549792), (6, 42958160), (7, 36821280), (8, 32218620), (10, 25774896), (12, 21479080), (14, 18410640), (15, 17183264), (16, 16109310), (20, 12887448), (21, 12273760), (24, 10739540), (28, 9205320), (30, 8591632), (32, 8054655), (35, 7364256), (40, 6443724), (41, 6286560), (42, 6136880), (48, 5369770), (56, 4602660), (60, 4295816), (70, 3682128), (80, 3221862), (82, 3143280), (84, 3068440), (96, 2684885), (105, 2454752), (112, 2301330), (120, 2147908), (123, 2095520), (140, 1841064), (160, 1610931), (164, 1571640), (168, 1534220), (205, 1257312), (210, 1227376), (224, 1150665), (240, 1073954), (246, 1047760), (280, 920532), (287, 898080), (328, 785820), (336, 767110), (410, 628656), (420, 613688), (480, 536977), (492, 523880), (560, 460266), (574, 449040), (615, 419104), (656, 392910), (672, 383555), (820, 314328), (840, 306844), (861, 299360), (984, 261940), (1120, 230133), (1148, 224520), (1230, 209552), (1312, 196455), (1435, 179616), (1640, 157164), (1680, 153422), (1722, 149680), (1871, 137760), (1968, 130970), (2296, 112260), (2460, 104776), (2870, 89808), (3280, 78582), (3360, 76711), (3444, 74840), (3742, 68880), (3936, 65485), (4305, 59872), (4592, 56130), (4920, 52388), (5613, 45920), (5740, 44904), (6560, 39291), (6888, 37420), (7484, 34440), (8610, 29936), (9184, 28065), (9355, 27552), (9840, 26194), (11226, 22960), (11480, 22452), (13097, 19680), (13776, 18710), (14968, 17220)]