81257328

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 237428256

約数和(自身を除く): 156170928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 101, 111, 144, 148, 151, 202, 222, 296, 302, 303, 333, 404, 444, 453, 592, 604, 606, 666, 808, 888, 906, 909, 1208, 1212, 1332, 1359, 1616, 1776, 1812, 1818, 2416, 2424, 2664, 2718, 3624, 3636, 3737, 4848, 5328, 5436, 5587, 7248, 7272, 7474, 10872, 11174, 11211, 14544, 14948, 15251, 16761, 21744, 22348, 22422, 29896, 30502, 33522, 33633, 44696, 44844, 45753, 50283, 59792, 61004, 67044, 67266, 89392, 89688, 91506, 100566, 122008, 134088, 134532, 137259, 179376, 183012, 201132, 244016, 268176, 269064, 274518, 366024, 402264, 538128, 549036, 564287, 732048, 804528, 1098072, 1128574, 1692861, 2196144, 2257148, 3385722, 4514296, 5078583, 6771444, 9028592, 10157166, 13542888, 20314332, 27085776, 40628664, 81257328]

約数ペア:

[(1, 81257328), (2, 40628664), (3, 27085776), (4, 20314332), (6, 13542888), (8, 10157166), (9, 9028592), (12, 6771444), (16, 5078583), (18, 4514296), (24, 3385722), (36, 2257148), (37, 2196144), (48, 1692861), (72, 1128574), (74, 1098072), (101, 804528), (111, 732048), (144, 564287), (148, 549036), (151, 538128), (202, 402264), (222, 366024), (296, 274518), (302, 269064), (303, 268176), (333, 244016), (404, 201132), (444, 183012), (453, 179376), (592, 137259), (604, 134532), (606, 134088), (666, 122008), (808, 100566), (888, 91506), (906, 89688), (909, 89392), (1208, 67266), (1212, 67044), (1332, 61004), (1359, 59792), (1616, 50283), (1776, 45753), (1812, 44844), (1818, 44696), (2416, 33633), (2424, 33522), (2664, 30502), (2718, 29896), (3624, 22422), (3636, 22348), (3737, 21744), (4848, 16761), (5328, 15251), (5436, 14948), (5587, 14544), (7248, 11211), (7272, 11174), (7474, 10872)]