15198121240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{2447}}^1$

素因数の和:2681

約数の個数: 128

約数和(自身を含む): 36759951360

約数和(自身を除く): 21561830120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 157, 172, 184, 215, 230, 314, 344, 430, 460, 628, 785, 860, 920, 989, 1256, 1570, 1720, 1978, 2447, 3140, 3611, 3956, 4894, 4945, 6280, 6751, 7222, 7912, 9788, 9890, 12235, 13502, 14444, 18055, 19576, 19780, 24470, 27004, 28888, 33755, 36110, 39560, 48940, 54008, 56281, 67510, 72220, 97880, 105221, 112562, 135020, 144440, 155273, 210442, 225124, 270040, 281405, 310546, 384179, 420884, 450248, 526105, 562810, 621092, 768358, 776365, 841768, 1052210, 1125620, 1242184, 1536716, 1552730, 1920895, 2104420, 2251240, 2420083, 3073432, 3105460, 3841790, 4208840, 4840166, 6210920, 7683580, 8836117, 9680332, 12100415, 15367160, 16519697, 17672234, 19360664, 24200830, 33039394, 35344468, 44180585, 48401660, 66078788, 70688936, 82598485, 88361170, 96803320, 132157576, 165196970, 176722340, 330393940, 353444680, 379953031, 660787880, 759906062, 1519812124, 1899765155, 3039624248, 3799530310, 7599060620, 15198121240]

約数ペア:

[(1, 15198121240), (2, 7599060620), (4, 3799530310), (5, 3039624248), (8, 1899765155), (10, 1519812124), (20, 759906062), (23, 660787880), (40, 379953031), (43, 353444680), (46, 330393940), (86, 176722340), (92, 165196970), (115, 132157576), (157, 96803320), (172, 88361170), (184, 82598485), (215, 70688936), (230, 66078788), (314, 48401660), (344, 44180585), (430, 35344468), (460, 33039394), (628, 24200830), (785, 19360664), (860, 17672234), (920, 16519697), (989, 15367160), (1256, 12100415), (1570, 9680332), (1720, 8836117), (1978, 7683580), (2447, 6210920), (3140, 4840166), (3611, 4208840), (3956, 3841790), (4894, 3105460), (4945, 3073432), (6280, 2420083), (6751, 2251240), (7222, 2104420), (7912, 1920895), (9788, 1552730), (9890, 1536716), (12235, 1242184), (13502, 1125620), (14444, 1052210), (18055, 841768), (19576, 776365), (19780, 768358), (24470, 621092), (27004, 562810), (28888, 526105), (33755, 450248), (36110, 420884), (39560, 384179), (48940, 310546), (54008, 281405), (56281, 270040), (67510, 225124), (72220, 210442), (97880, 155273), (105221, 144440), (112562, 135020)]