81611360

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 204809472

約数和(自身を除く): 123198112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 67, 80, 92, 115, 134, 160, 184, 230, 268, 331, 335, 368, 460, 536, 662, 670, 736, 920, 1072, 1324, 1340, 1541, 1655, 1840, 2144, 2648, 2680, 3082, 3310, 3680, 5296, 5360, 6164, 6620, 7613, 7705, 10592, 10720, 12328, 13240, 15226, 15410, 22177, 24656, 26480, 30452, 30820, 38065, 44354, 49312, 52960, 60904, 61640, 76130, 88708, 110885, 121808, 123280, 152260, 177416, 221770, 243616, 246560, 304520, 354832, 443540, 510071, 609040, 709664, 887080, 1020142, 1218080, 1774160, 2040284, 2550355, 3548320, 4080568, 5100710, 8161136, 10201420, 16322272, 20402840, 40805680, 81611360]

約数ペア:

[(1, 81611360), (2, 40805680), (4, 20402840), (5, 16322272), (8, 10201420), (10, 8161136), (16, 5100710), (20, 4080568), (23, 3548320), (32, 2550355), (40, 2040284), (46, 1774160), (67, 1218080), (80, 1020142), (92, 887080), (115, 709664), (134, 609040), (160, 510071), (184, 443540), (230, 354832), (268, 304520), (331, 246560), (335, 243616), (368, 221770), (460, 177416), (536, 152260), (662, 123280), (670, 121808), (736, 110885), (920, 88708), (1072, 76130), (1324, 61640), (1340, 60904), (1541, 52960), (1655, 49312), (1840, 44354), (2144, 38065), (2648, 30820), (2680, 30452), (3082, 26480), (3310, 24656), (3680, 22177), (5296, 15410), (5360, 15226), (6164, 13240), (6620, 12328), (7613, 10720), (7705, 10592)]