72199728

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{4517}}^1$

素因数の和:4571

約数の個数: 80

約数和(自身を含む): 212888160

約数和(自身を除く): 140688432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1332, 1776, 1998, 2664, 3996, 4517, 5328, 7992, 9034, 13551, 15984, 18068, 27102, 36136, 40653, 54204, 72272, 81306, 108408, 121959, 162612, 167129, 216816, 243918, 325224, 334258, 487836, 501387, 650448, 668516, 975672, 1002774, 1337032, 1504161, 1951344, 2005548, 2674064, 3008322, 4011096, 4512483, 6016644, 8022192, 9024966, 12033288, 18049932, 24066576, 36099864, 72199728]

約数ペア:

[(1, 72199728), (2, 36099864), (3, 24066576), (4, 18049932), (6, 12033288), (8, 9024966), (9, 8022192), (12, 6016644), (16, 4512483), (18, 4011096), (24, 3008322), (27, 2674064), (36, 2005548), (37, 1951344), (48, 1504161), (54, 1337032), (72, 1002774), (74, 975672), (108, 668516), (111, 650448), (144, 501387), (148, 487836), (216, 334258), (222, 325224), (296, 243918), (333, 216816), (432, 167129), (444, 162612), (592, 121959), (666, 108408), (888, 81306), (999, 72272), (1332, 54204), (1776, 40653), (1998, 36136), (2664, 27102), (3996, 18068), (4517, 15984), (5328, 13551), (7992, 9034)]