81845808

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 231830400

約数和(自身を除く): 149984592

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 379, 409, 528, 758, 818, 1137, 1227, 1516, 1636, 2274, 2454, 3032, 3272, 4169, 4499, 4548, 4908, 6064, 6544, 8338, 8998, 9096, 9816, 12507, 13497, 16676, 17996, 18192, 19632, 25014, 26994, 33352, 35992, 50028, 53988, 66704, 71984, 100056, 107976, 155011, 200112, 215952, 310022, 465033, 620044, 930066, 1240088, 1705121, 1860132, 2480176, 3410242, 3720264, 5115363, 6820484, 7440528, 10230726, 13640968, 20461452, 27281936, 40922904, 81845808]

約数ペア:

[(1, 81845808), (2, 40922904), (3, 27281936), (4, 20461452), (6, 13640968), (8, 10230726), (11, 7440528), (12, 6820484), (16, 5115363), (22, 3720264), (24, 3410242), (33, 2480176), (44, 1860132), (48, 1705121), (66, 1240088), (88, 930066), (132, 620044), (176, 465033), (264, 310022), (379, 215952), (409, 200112), (528, 155011), (758, 107976), (818, 100056), (1137, 71984), (1227, 66704), (1516, 53988), (1636, 50028), (2274, 35992), (2454, 33352), (3032, 26994), (3272, 25014), (4169, 19632), (4499, 18192), (4548, 17996), (4908, 16676), (6064, 13497), (6544, 12507), (8338, 9816), (8998, 9096)]