81772590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3203}}^1$

素因数の和:3273

約数の個数: 64

約数和(自身を含む): 210387456

約数和(自身を除く): 128614866

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 345, 370, 555, 690, 851, 1110, 1702, 2553, 3203, 4255, 5106, 6406, 8510, 9609, 12765, 16015, 19218, 25530, 32030, 48045, 73669, 96090, 118511, 147338, 221007, 237022, 355533, 368345, 442014, 592555, 711066, 736690, 1105035, 1185110, 1777665, 2210070, 2725753, 3555330, 5451506, 8177259, 13628765, 16354518, 27257530, 40886295, 81772590]

約数ペア:

[(1, 81772590), (2, 40886295), (3, 27257530), (5, 16354518), (6, 13628765), (10, 8177259), (15, 5451506), (23, 3555330), (30, 2725753), (37, 2210070), (46, 1777665), (69, 1185110), (74, 1105035), (111, 736690), (115, 711066), (138, 592555), (185, 442014), (222, 368345), (230, 355533), (345, 237022), (370, 221007), (555, 147338), (690, 118511), (851, 96090), (1110, 73669), (1702, 48045), (2553, 32030), (3203, 25530), (4255, 19218), (5106, 16015), (6406, 12765), (8510, 9609)]